diff --git a/descriptions/SDK.FishNet.md b/descriptions/SDK.FishNet.md
new file mode 100644
index 000000000..72837c426
--- /dev/null
+++ b/descriptions/SDK.FishNet.md
@@ -0,0 +1 @@
+[**FishNet**](https://github.com/FirstGearGames/FishNet) - A feature-rich Unity networking solution aimed towards reliability, ease of use, efficiency, and flexibility.
\ No newline at end of file
diff --git a/rules.ini b/rules.ini
index 1897192e2..36692015b 100644
--- a/rules.ini
+++ b/rules.ini
@@ -269,6 +269,7 @@ DirectStorage = (?:^|/)dstorage\.dll$
 Discord = (?:^|/)(?:lib)?discord(?:|-rpc|_game_sdk|_partner_sdk)\.(?:dll|dylib|so)$
 E-mote = ^emotedriver\.dll$
 EpicOnlineServices = (?:^|/)(?:lib)?eossdk
+FishNet = (?:^|/)FishNet\.Runtime\.dll$
 FluidSynth = fluidsynth
 FMOD = (?:^|/)(?:lib)?fmod(?:l|ex|exl|studio|studiol)?(?:64)?\.(?:dylib|dll|so)$
 FreeImage = (?:^|/)FreeImage(?:\.so|\.dll)$
diff --git a/tests/types/SDK.FishNet.txt b/tests/types/SDK.FishNet.txt
new file mode 100644
index 000000000..2e2ae06c9
--- /dev/null
+++ b/tests/types/SDK.FishNet.txt
@@ -0,0 +1,4 @@
+/FishNet.Runtime.dll
+/folder/FishNet.Runtime.dll
+FishNet.Runtime.dll
+Fishnet.Runtime.dll
diff --git a/tests/types/_NonMatchingTests.txt b/tests/types/_NonMatchingTests.txt
index b864dc128..27cb0ff6b 100644
--- a/tests/types/_NonMatchingTests.txt
+++ b/tests/types/_NonMatchingTests.txt
@@ -257,6 +257,9 @@ falcoengine.dlll
 athEngine.dll
 PathEngine.dl
 PathEngine_dll
+somethingFishnet.Runtime.dll
+Fishnet.Runtime_dll
+Fishnet.Runtime.dllWhoopsie
 libsodium.dl
 ibsodium.dll
 libsodium_dll