diff --git a/Source/Core/Common/MemoryUtil.cpp b/Source/Core/Common/MemoryUtil.cpp
index ca9fa64185..655838c4fa 100644
--- a/Source/Core/Common/MemoryUtil.cpp
+++ b/Source/Core/Common/MemoryUtil.cpp
@@ -19,7 +19,7 @@
 #include <stdio.h>
 #include <sys/mman.h>
 #include <sys/types.h>
-#if defined __APPLE__ || defined __FreeBSD__ || defined __OpenBSD__
+#if defined __APPLE__ || defined __FreeBSD__ || defined __OpenBSD__ || defined __NetBSD__
 #include <sys/sysctl.h>
 #elif defined __HAIKU__
 #include <OS.h>
@@ -156,7 +156,7 @@ size_t MemPhysical()
   memInfo.dwLength = sizeof(MEMORYSTATUSEX);
   GlobalMemoryStatusEx(&memInfo);
   return memInfo.ullTotalPhys;
-#elif defined __APPLE__ || defined __FreeBSD__ || defined __OpenBSD__
+#elif defined __APPLE__ || defined __FreeBSD__ || defined __OpenBSD__ || defined __NetBSD__
   int mib[2];
   size_t physical_memory;
   mib[0] = CTL_HW;
@@ -164,7 +164,7 @@ size_t MemPhysical()
   mib[1] = HW_MEMSIZE;
 #elif defined __FreeBSD__
   mib[1] = HW_REALMEM;
-#elif defined __OpenBSD__
+#elif defined __OpenBSD__ || defined __NetBSD__
   mib[1] = HW_PHYSMEM;
 #endif
   size_t length = sizeof(size_t);
diff --git a/Source/Core/Common/StringUtil.cpp b/Source/Core/Common/StringUtil.cpp
index 8889301549..ffda64c79f 100644
--- a/Source/Core/Common/StringUtil.cpp
+++ b/Source/Core/Common/StringUtil.cpp
@@ -35,12 +35,16 @@
 constexpr u32 CODEPAGE_SHIFT_JIS = 932;
 constexpr u32 CODEPAGE_WINDOWS_1252 = 1252;
 #else
+#if defined(__NetBSD__)
+#define LIBICONV_PLUG
+#endif
 #include <errno.h>
 #include <iconv.h>
 #include <locale.h>
 #endif
 
-#if !defined(_WIN32) && !defined(ANDROID) && !defined(__HAIKU__) && !defined(__OpenBSD__)
+#if !defined(_WIN32) && !defined(ANDROID) && !defined(__HAIKU__) && !defined(__OpenBSD__) &&       \
+    !defined(__NetBSD__)
 static locale_t GetCLocale()
 {
   static locale_t c_locale = newlocale(LC_ALL_MASK, "C", nullptr);
@@ -133,11 +137,11 @@ bool CharArrayFromFormatV(char* out, int outsize, const char* format, va_list ar
     c_locale = _create_locale(LC_ALL, "C");
   writtenCount = _vsnprintf_l(out, outsize, format, c_locale, args);
 #else
-#if !defined(ANDROID) && !defined(__HAIKU__) && !defined(__OpenBSD__)
+#if !defined(ANDROID) && !defined(__HAIKU__) && !defined(__OpenBSD__) && !defined(__NetBSD__)
   locale_t previousLocale = uselocale(GetCLocale());
 #endif
   writtenCount = vsnprintf(out, outsize, format, args);
-#if !defined(ANDROID) && !defined(__HAIKU__) && !defined(__OpenBSD__)
+#if !defined(ANDROID) && !defined(__HAIKU__) && !defined(__OpenBSD__) && !defined(__NetBSD__)
   uselocale(previousLocale);
 #endif
 #endif
@@ -174,7 +178,7 @@ std::string StringFromFormatV(const char* format, va_list args)
   std::string temp = buf;
   delete[] buf;
 #else
-#if !defined(ANDROID) && !defined(__HAIKU__) && !defined(__OpenBSD__)
+#if !defined(ANDROID) && !defined(__HAIKU__) && !defined(__OpenBSD__) && !defined(__NetBSD__)
   locale_t previousLocale = uselocale(GetCLocale());
 #endif
   if (vasprintf(&buf, format, args) < 0)
@@ -183,7 +187,7 @@ std::string StringFromFormatV(const char* format, va_list args)
     buf = nullptr;
   }
 
-#if !defined(ANDROID) && !defined(__HAIKU__) && !defined(__OpenBSD__)
+#if !defined(ANDROID) && !defined(__HAIKU__) && !defined(__OpenBSD__) && !defined(__NetBSD__)
   uselocale(previousLocale);
 #endif
 
@@ -524,8 +528,13 @@ std::string CodeTo(const char* tocode, const char* fromcode, std::basic_string_v
     while (src_bytes != 0)
     {
       size_t const iconv_result =
-          iconv(conv_desc, (char**)(&src_buffer), &src_bytes, &dst_buffer, &dst_bytes);
-
+#if defined(__OpenBSD__) || defined(__NetBSD__)
+          iconv(conv_desc, reinterpret_cast<const char**>(&src_buffer), &src_bytes, &dst_buffer,
+                &dst_bytes);
+#else
+          iconv(conv_desc, const_cast<char**>(reinterpret_cast<const char**>(&src_buffer)),
+                &src_bytes, &dst_buffer, &dst_bytes);
+#endif
       if ((size_t)-1 == iconv_result)
       {
         if (EILSEQ == errno || EINVAL == errno)
diff --git a/Source/Core/Common/Thread.cpp b/Source/Core/Common/Thread.cpp
index d9503c784e..10e5fa0552 100644
--- a/Source/Core/Common/Thread.cpp
+++ b/Source/Core/Common/Thread.cpp
@@ -18,6 +18,8 @@
 #include <mach/mach.h>
 #elif defined BSD4_4 || defined __FreeBSD__ || defined __OpenBSD__
 #include <pthread_np.h>
+#elif defined __NetBSD__
+#include <sched.h>
 #elif defined __HAIKU__
 #include <OS.h>
 #endif
@@ -119,7 +121,9 @@ void SetThreadAffinity(std::thread::native_handle_type thread, u32 mask)
 {
 #ifdef __APPLE__
   thread_policy_set(pthread_mach_thread_np(thread), THREAD_AFFINITY_POLICY, (integer_t*)&mask, 1);
-#elif (defined __linux__ || defined BSD4_4 || defined __FreeBSD__) && !(defined ANDROID)
+#elif (defined __linux__ || defined BSD4_4 || defined __FreeBSD__ || defined __NetBSD__) &&        \
+    !(defined ANDROID)
+#ifndef __NetBSD__
 #ifdef __FreeBSD__
   cpuset_t cpu_set;
 #else
@@ -132,6 +136,16 @@ void SetThreadAffinity(std::thread::native_handle_type thread, u32 mask)
       CPU_SET(i, &cpu_set);
 
   pthread_setaffinity_np(thread, sizeof(cpu_set), &cpu_set);
+#else
+  cpuset_t* cpu_set = cpuset_create();
+
+  for (int i = 0; i != sizeof(mask) * 8; ++i)
+    if ((mask >> i) & 1)
+      cpuset_set(i, cpu_set);
+
+  pthread_setaffinity_np(thread, cpuset_size(cpu_set), cpu_set);
+  cpuset_destroy(cpu_set);
+#endif
 #endif
 }
 
@@ -156,6 +170,8 @@ void SetCurrentThreadName(const char* name)
   pthread_setname_np(name);
 #elif defined __FreeBSD__ || defined __OpenBSD__
   pthread_set_name_np(pthread_self(), name);
+#elif defined(__NetBSD__)
+  pthread_setname_np(pthread_self(), "%s", const_cast<char*>(name));
 #elif defined __HAIKU__
   rename_thread(find_thread(nullptr), name);
 #else
diff --git a/Source/Core/Core/HW/EXI/EXI_DeviceEthernet.h b/Source/Core/Core/HW/EXI/EXI_DeviceEthernet.h
index ed79b9a9b1..1637b47633 100644
--- a/Source/Core/Core/HW/EXI/EXI_DeviceEthernet.h
+++ b/Source/Core/Core/HW/EXI/EXI_DeviceEthernet.h
@@ -383,7 +383,7 @@ private:
     bool m_bba_link_up = false;
     bool m_bba_failure_notified = false;
 #if defined(WIN32) || defined(__linux__) || defined(__APPLE__) || defined(__FreeBSD__) ||          \
-    defined(__OpenBSD__)
+    defined(__OpenBSD__) || defined(__NetBSD__)
     sf::UdpSocket m_sf_socket;
     sf::IpAddress m_sf_recipient_ip;
     char m_in_frame[9004];
diff --git a/Source/Core/Core/IOS/Network/Socket.h b/Source/Core/Core/IOS/Network/Socket.h
index 4d637591b7..c72ffd6998 100644
--- a/Source/Core/Core/IOS/Network/Socket.h
+++ b/Source/Core/Core/IOS/Network/Socket.h
@@ -15,7 +15,8 @@ typedef pollfd pollfd_t;
 #define MALLOC(x) HeapAlloc(GetProcessHeap(), 0, (x))
 #define FREE(x) HeapFree(GetProcessHeap(), 0, (x))
 
-#elif defined(__linux__) or defined(__APPLE__) or defined(__FreeBSD__) or defined(__HAIKU__)
+#elif defined(__linux__) or defined(__APPLE__) or defined(__FreeBSD__) or defined(__NetBSD__) or   \
+    defined(__HAIKU__)
 #include <arpa/inet.h>
 #include <netdb.h>
 #include <sys/ioctl.h>
diff --git a/Source/Core/Core/MemTools.cpp b/Source/Core/Core/MemTools.cpp
index 0de150eb0a..e0e0d6695b 100644
--- a/Source/Core/Core/MemTools.cpp
+++ b/Source/Core/Core/MemTools.cpp
@@ -17,7 +17,7 @@
 #include "Core/MachineContext.h"
 #include "Core/PowerPC/JitInterface.h"
 
-#ifdef __FreeBSD__
+#if defined(__FreeBSD__) || defined(__NetBSD__)
 #include <signal.h>
 #endif
 #ifndef _WIN32
diff --git a/Source/Core/VideoCommon/DriverDetails.cpp b/Source/Core/VideoCommon/DriverDetails.cpp
index 88a482ecf8..9f5b06ccdd 100644
--- a/Source/Core/VideoCommon/DriverDetails.cpp
+++ b/Source/Core/VideoCommon/DriverDetails.cpp
@@ -35,6 +35,8 @@ constexpr u32 m_os = OS_ALL | OS_LINUX;
 constexpr u32 m_os = OS_ALL | OS_FREEBSD;
 #elif __OpenBSD__
 constexpr u32 m_os = OS_ALL | OS_OPENBSD;
+#elif __NetBSD__
+constexpr u32 m_os = OS_ALL | OS_NETBSD;
 #endif
 
 static API m_api = API_OPENGL;
diff --git a/Source/Core/VideoCommon/DriverDetails.h b/Source/Core/VideoCommon/DriverDetails.h
index 3e58a5fb58..2e25b2a79b 100644
--- a/Source/Core/VideoCommon/DriverDetails.h
+++ b/Source/Core/VideoCommon/DriverDetails.h
@@ -27,6 +27,7 @@ enum OS
   OS_ANDROID = (1 << 4),
   OS_FREEBSD = (1 << 5),
   OS_OPENBSD = (1 << 6),
+  OS_NETBSD = (1 << 7),
 };
 // Enum of known vendors
 // Tegra and Nvidia are separated out due to such substantial differences