FV may stand for:
The FV101 Scorpion is a British armoured reconnaissance vehicle. It was the lead vehicle and the fire support type in the Combat Vehicle Reconnaissance (Tracked), CVR(T), family of seven armoured vehicles.
The FV Cornelia Marie was one of the commercial crab fishing boats featured on the Discovery Channel series Deadliest Catch.
The FV432 is the armoured personnel carrier variant of the British Army's FV430 series of armoured fighting vehicles.
F/V Northwestern is an Alaskan crab, Pacific cod, and salmon tendering fishing vessel featured in the Discovery Channel series Deadliest Catch.
FV103 Spartan is a tracked armoured personnel carrier of the British Army. It was developed as the APC variant of the Combat Vehicle Reconnaissance (Tracked) family.
The F Virtual Window Manager (The F currently has no official meaning) is a virtual window manager for the X Window System.