diff --git a/src/common/file_system.cpp b/src/common/file_system.cpp
index e136cb411..cd5216f55 100644
--- a/src/common/file_system.cpp
+++ b/src/common/file_system.cpp
@@ -15,6 +15,10 @@
 #include <malloc.h>
 #endif
 
+#ifdef __FreeBSD__
+#include <sys/sysctl.h>
+#endif
+
 #if defined(WIN32)
 #include <shlobj.h>
 #else
@@ -1407,7 +1411,7 @@ static u32 RecursiveFindFiles(const char* OriginPath, const char* ParentPath, co
     FILESYSTEM_FIND_DATA outData;
     outData.Attributes = 0;
 
-#if defined(__HAIKU__) || defined(__APPLE__)
+#if defined(__HAIKU__) || defined(__APPLE__) || defined(__FreeBSD__)
     struct stat sDir;
     if (stat(full_path, &sDir) < 0)
       continue;
@@ -1505,7 +1509,7 @@ bool StatFile(const char* Path, FILESYSTEM_STAT_DATA* pStatData)
     return false;
 
     // stat file
-#if defined(__HAIKU__) || defined(__APPLE__)
+#if defined(__HAIKU__) || defined(__APPLE__) || defined(__FreeBSD__)
   struct stat sysStatData;
   if (stat(Path, &sysStatData) < 0)
 #else
@@ -1539,7 +1543,7 @@ bool StatFile(std::FILE* fp, FILESYSTEM_STAT_DATA* pStatData)
     return false;
 
     // stat file
-#if defined(__HAIKU__) || defined(__APPLE__)
+#if defined(__HAIKU__) || defined(__APPLE__) || defined(__FreeBSD__)
   struct stat sysStatData;
   if (fstat(fd, &sysStatData) < 0)
 #else
@@ -1573,7 +1577,7 @@ bool FileExists(const char* Path)
     return false;
 
     // stat file
-#if defined(__HAIKU__) || defined(__APPLE__)
+#if defined(__HAIKU__) || defined(__APPLE__) || defined(__FreeBSD__)
   struct stat sysStatData;
   if (stat(Path, &sysStatData) < 0)
 #else
@@ -1595,7 +1599,7 @@ bool DirectoryExists(const char* Path)
     return false;
 
     // stat file
-#if defined(__HAIKU__) || defined(__APPLE__)
+#if defined(__HAIKU__) || defined(__APPLE__) || defined(__FreeBSD__)
   struct stat sysStatData;
   if (stat(Path, &sysStatData) < 0)
 #else
@@ -1752,6 +1756,16 @@ std::string GetProgramPath()
     buffer = static_cast<char*>(std::realloc(buffer, curSize + 1));
   }
 
+#elif defined(__FreeBSD__)
+  int mib[4] = {CTL_KERN, KERN_PROC, KERN_PROC_PATHNAME, -1};
+  char buffer[PATH_MAX];
+  size_t cb = sizeof(buffer) - 1;
+  int res = sysctl(mib, countof(mib), buffer, &cb, nullptr, 0);
+  if (res != 0)
+    return {};
+
+  buffer[cb] = '\0';
+  return buffer;
 #else
   return {};
 #endif
diff --git a/src/common/jit_code_buffer.cpp b/src/common/jit_code_buffer.cpp
index 62baf028a..bbb676c41 100644
--- a/src/common/jit_code_buffer.cpp
+++ b/src/common/jit_code_buffer.cpp
@@ -45,7 +45,7 @@ bool JitCodeBuffer::Allocate(u32 size /* = 64 * 1024 * 1024 */, u32 far_code_siz
     Log_ErrorPrintf("VirtualAlloc(RWX, %u) for internal buffer failed: %u", m_total_size, GetLastError());
     return false;
   }
-#elif defined(__linux__) || defined(__ANDROID__) || defined(__APPLE__) || defined(__HAIKU__)
+#elif defined(__linux__) || defined(__ANDROID__) || defined(__APPLE__) || defined(__HAIKU__) || defined(__FreeBSD__)
   m_code_ptr = static_cast<u8*>(
     mmap(nullptr, m_total_size, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0));
   if (!m_code_ptr)
@@ -100,7 +100,7 @@ bool JitCodeBuffer::Initialize(void* buffer, u32 size, u32 far_code_size /* = 0
 
   m_code_ptr = static_cast<u8*>(buffer);
   m_old_protection = static_cast<u32>(old_protect);
-#elif defined(__linux__) || defined(__ANDROID__) || defined(__APPLE__) || defined(__HAIKU__)
+#elif defined(__linux__) || defined(__ANDROID__) || defined(__APPLE__) || defined(__HAIKU__) || defined(__FreeBSD__)
   if (mprotect(buffer, size, PROT_READ | PROT_WRITE | PROT_EXEC) != 0)
   {
     Log_ErrorPrintf("mprotect(RWX) for external buffer failed: %d", errno);
@@ -148,7 +148,7 @@ void JitCodeBuffer::Destroy()
   {
 #if defined(WIN32)
     VirtualFree(m_code_ptr, 0, MEM_RELEASE);
-#elif defined(__linux__) || defined(__ANDROID__) || defined(__APPLE__) || defined(__HAIKU__)
+#elif defined(__linux__) || defined(__ANDROID__) || defined(__APPLE__) || defined(__HAIKU__) || defined(__FreeBSD__)
     munmap(m_code_ptr, m_total_size);
 #endif
   }
diff --git a/src/common/memory_arena.cpp b/src/common/memory_arena.cpp
index a534f83d5..0b4d6e324 100644
--- a/src/common/memory_arena.cpp
+++ b/src/common/memory_arena.cpp
@@ -13,7 +13,7 @@ Log_SetChannel(Common::MemoryArena);
 #include <sys/ioctl.h>
 #include <sys/mman.h>
 #include <unistd.h>
-#elif defined(__linux__) || defined(__APPLE__)
+#elif defined(__linux__) || defined(__APPLE__) || defined(__FreeBSD__)
 #include <cerrno>
 #include <fcntl.h>
 #include <sys/mman.h>
@@ -73,7 +73,7 @@ void* MemoryArena::FindBaseAddressForMapping(size_t size)
   base_address = VirtualAlloc(nullptr, size, MEM_RESERVE, PAGE_READWRITE);
   if (base_address)
     VirtualFree(base_address, 0, MEM_RELEASE);
-#elif defined(__linux__) || defined(__APPLE__)
+#elif defined(__linux__) || defined(__APPLE__) || defined(__FreeBSD__)
   base_address = mmap(nullptr, size, PROT_NONE, MAP_ANON | MAP_PRIVATE, -1, 0);
   if (base_address)
     munmap(base_address, size);
@@ -153,18 +153,25 @@ bool MemoryArena::Create(size_t size, bool writable, bool executable)
   }
 
   return true;
-#elif defined(__APPLE__)
+#elif defined(__APPLE__) || defined(__FreeBSD__)
+#if defined(__APPLE__)
   const std::string file_mapping_name =
     StringUtil::StdStringFromFormat("duckstation_%u", static_cast<unsigned>(getpid()));
   m_shmem_fd = shm_open(file_mapping_name.c_str(), O_CREAT | O_EXCL | (writable ? O_RDWR : O_RDONLY), 0600);
+#else
+  m_shmem_fd = shm_open(SHM_ANON, O_CREAT | O_EXCL | (writable ? O_RDWR : O_RDONLY), 0600);
+#endif
+
   if (m_shmem_fd < 0)
   {
     Log_ErrorPrintf("shm_open failed: %d", errno);
     return false;
   }
 
+#ifdef __APPLE__
   // we're not going to be opening this mapping in other processes, so remove the file
   shm_unlink(file_mapping_name.c_str());
+#endif
 
   // ensure it's the correct size
   if (ftruncate(m_shmem_fd, static_cast<off_t>(size)) < 0)
@@ -187,7 +194,7 @@ void MemoryArena::Destroy()
     CloseHandle(m_file_handle);
     m_file_handle = nullptr;
   }
-#elif defined(__linux__)
+#elif defined(__linux__) || defined(__FreeBSD__)
   if (m_shmem_fd > 0)
   {
     close(m_shmem_fd);
@@ -222,7 +229,7 @@ void* MemoryArena::CreateViewPtr(size_t offset, size_t size, bool writable, bool
   base_pointer = mmap64(fixed_address, size, prot, flags, m_shmem_fd, static_cast<off64_t>(offset));
   if (base_pointer == reinterpret_cast<void*>(-1))
     return nullptr;
-#elif defined(__APPLE__)
+#elif defined(__APPLE__) || defined(__FreeBSD__)
   const int flags = (fixed_address != nullptr) ? (MAP_SHARED | MAP_FIXED) : MAP_SHARED;
   const int prot = PROT_READ | (writable ? PROT_WRITE : 0) | (executable ? PROT_EXEC : 0);
   base_pointer = mmap(fixed_address, size, prot, flags, m_shmem_fd, static_cast<off_t>(offset));
@@ -240,7 +247,7 @@ bool MemoryArena::FlushViewPtr(void* address, size_t size)
 {
 #if defined(WIN32)
   return FlushViewOfFile(address, size);
-#elif defined(__linux__) || defined(__APPLE__)
+#elif defined(__linux__) || defined(__APPLE__) || defined(__FreeBSD__)
   return (msync(address, size, 0) >= 0);
 #else
   return false;
@@ -252,7 +259,7 @@ bool MemoryArena::ReleaseViewPtr(void* address, size_t size)
   bool result;
 #if defined(WIN32)
   result = static_cast<bool>(UnmapViewOfFile(address));
-#elif defined(__linux__) || defined(__APPLE__)
+#elif defined(__linux__) || defined(__APPLE__) || defined(__FreeBSD__)
   result = (munmap(address, size) >= 0);
 #else
   result = false;
@@ -279,7 +286,7 @@ bool MemoryArena::SetPageProtection(void* address, size_t length, bool readable,
   DWORD old_protect;
   return static_cast<bool>(
     VirtualProtect(address, length, protection_table[readable][writable][executable], &old_protect));
-#elif defined(__linux__) || defined(__ANDROID__) || defined(__APPLE__)
+#elif defined(__linux__) || defined(__ANDROID__) || defined(__APPLE__) || defined(__FreeBSD__)
   const int prot = (readable ? PROT_READ : 0) | (writable ? PROT_WRITE : 0) | (executable ? PROT_EXEC : 0);
   return (mprotect(address, length, prot) >= 0);
 #else
diff --git a/src/common/memory_arena.h b/src/common/memory_arena.h
index 93290b4a8..7e08f35ba 100644
--- a/src/common/memory_arena.h
+++ b/src/common/memory_arena.h
@@ -48,7 +48,7 @@ public:
 private:
 #if defined(WIN32)
   void* m_file_handle = nullptr;
-#elif defined(__linux__) || defined(ANDROID) || defined(__APPLE__)
+#elif defined(__linux__) || defined(ANDROID) || defined(__APPLE__) || defined(__FreeBSD__)
   int m_shmem_fd = -1;
 #endif
 
diff --git a/src/common/page_fault_handler.cpp b/src/common/page_fault_handler.cpp
index 1b4f1bf84..c882114a6 100644
--- a/src/common/page_fault_handler.cpp
+++ b/src/common/page_fault_handler.cpp
@@ -14,7 +14,7 @@ Log_SetChannel(Common::PageFaultHandler);
 #include <ucontext.h>
 #include <unistd.h>
 #define USE_SIGSEGV 1
-#elif defined(__APPLE__)
+#elif defined(__APPLE__) || defined(__FreeBSD__)
 #include <signal.h>
 #include <unistd.h>
 #define USE_SIGSEGV 1
@@ -36,7 +36,7 @@ static bool IsStoreInstruction(const void* ptr)
 {
   u32 bits;
   std::memcpy(&bits, ptr, sizeof(bits));
-  
+
   // TODO
   return false;
 }
@@ -125,7 +125,7 @@ static void SIGSEGVHandler(int sig, siginfo_t* info, void* ctx)
   if ((info->si_code != SEGV_MAPERR && info->si_code != SEGV_ACCERR) || s_in_handler)
     return;
 
-#ifndef __APPLE__
+#if defined(__linux__) || defined(__ANDROID__)
   void* const exception_address = reinterpret_cast<void*>(info->si_addr);
 
 #if defined(CPU_X64)
@@ -141,7 +141,9 @@ static void SIGSEGVHandler(int sig, siginfo_t* info, void* ctx)
   void* const exception_pc = nullptr;
   const bool is_write = false;
 #endif
-#else // __APPLE__
+
+#elif defined(__APPLE__)
+
 #if defined(CPU_X64)
   void* const exception_address =
     reinterpret_cast<void*>(static_cast<ucontext_t*>(ctx)->uc_mcontext->__es.__faultvaddr);
@@ -156,7 +158,24 @@ static void SIGSEGVHandler(int sig, siginfo_t* info, void* ctx)
   void* const exception_pc = nullptr;
   const bool is_write = false;
 #endif
-#endif // __APPLE__
+
+#elif defined(__FreeBSD__)
+
+#if defined(CPU_X64)
+  void* const exception_address = reinterpret_cast<void*>(static_cast<ucontext_t*>(ctx)->uc_mcontext.mc_addr);
+  void* const exception_pc = reinterpret_cast<void*>(static_cast<ucontext_t*>(ctx)->uc_mcontext.mc_rip);
+  const bool is_write = (static_cast<ucontext_t*>(ctx)->uc_mcontext.mc_err & 2) != 0;
+#elif defined(CPU_AARCH64)
+  void* const exception_address = reinterpret_cast<void*>(static_cast<ucontext_t*>(ctx)->uc_mcontext->__es.__far);
+  void* const exception_pc = reinterpret_cast<void*>(static_cast<ucontext_t*>(ctx)->uc_mcontext->__ss.__pc);
+  const bool is_write = IsStoreInstruction(exception_pc);
+#else
+  void* const exception_address = reinterpret_cast<void*>(info->si_addr);
+  void* const exception_pc = nullptr;
+  const bool is_write = false;
+#endif
+
+#endif
 
   std::lock_guard<std::mutex> guard(m_handler_lock);
   for (const RegisteredHandler& rh : m_handlers)
diff --git a/src/core/cpu_recompiler_types.h b/src/core/cpu_recompiler_types.h
index 633e28b26..bc06a10ee 100644
--- a/src/core/cpu_recompiler_types.h
+++ b/src/core/cpu_recompiler_types.h
@@ -83,7 +83,7 @@ constexpr u32 CODE_STORAGE_ALIGNMENT = 4096;
 // ABI selection
 #if defined(WIN32)
 #define ABI_WIN64 1
-#elif defined(__linux__) || defined(__ANDROID__) || defined(__APPLE__) || defined(__HAIKU__)
+#elif defined(__linux__) || defined(__ANDROID__) || defined(__APPLE__) || defined(__HAIKU__) || defined(__FreeBSD__)
 #define ABI_SYSV 1
 #else
 #error Unknown ABI.
diff --git a/src/frontend-common/common_host_interface.cpp b/src/frontend-common/common_host_interface.cpp
index 100089bb7..f5b8c2bc7 100644
--- a/src/frontend-common/common_host_interface.cpp
+++ b/src/frontend-common/common_host_interface.cpp
@@ -889,7 +889,7 @@ void CommonHostInterface::SetUserDirectory()
   }
   else
   {
-#ifdef WIN32
+#if defined(WIN32)
     // On Windows, use My Documents\DuckStation.
     PWSTR documents_directory;
     if (SUCCEEDED(SHGetKnownFolderPath(FOLDERID_Documents, 0, NULL, &documents_directory)))
@@ -902,7 +902,7 @@ void CommonHostInterface::SetUserDirectory()
       }
       CoTaskMemFree(documents_directory);
     }
-#elif __linux__
+#elif defined(__linux__) || defined(__FreeBSD__)
     // On Linux, use .local/share/duckstation as a user directory by default.
     const char* xdg_data_home = getenv("XDG_DATA_HOME");
     if (xdg_data_home && xdg_data_home[0] == '/')
@@ -915,7 +915,7 @@ void CommonHostInterface::SetUserDirectory()
       if (home_path)
         m_user_directory = StringUtil::StdStringFromFormat("%s/.local/share/duckstation", home_path);
     }
-#elif __APPLE__
+#elif defined(__APPLE__)
     // On macOS, default to ~/Library/Application Support/DuckStation.
     const char* home_path = getenv("HOME");
     if (home_path)
diff --git a/src/frontend-common/evdev_controller_interface.cpp b/src/frontend-common/evdev_controller_interface.cpp
index 5377d6fb9..4798f4470 100644
--- a/src/frontend-common/evdev_controller_interface.cpp
+++ b/src/frontend-common/evdev_controller_interface.cpp
@@ -5,11 +5,16 @@
 #include "core/controller.h"
 #include "core/host_interface.h"
 #include "core/system.h"
-#include <alloca.h>
+#include <cstdlib>
 #include <cmath>
 #include <fcntl.h>
 #include <poll.h>
 #include <unistd.h>
+
+#ifdef __linux__
+#include <alloca.h>
+#endif
+
 Log_SetChannel(EvdevControllerInterface);
 
 EvdevControllerInterface::EvdevControllerInterface() = default;