Sarah West (born 1972) is a Royal Navy officer, the first woman to be appointed to command a major warship in the Royal Navy.

West was born in Lincolnshire and studied mathematics at the University of Hertfordshire before entering Britannia Royal Naval College in September 1995. She joined the Royal Navy as a warfare officer. She also took a law degree whilst on active service in the Middle East and is an expert in large-scale naval planning, mine clearance, weapons systems and underwater warfare. She was trained on HMS Battleaxe, HMS Sandown and HMS Sheffield, deployed in the Persian Gulf. West went on to join the minesweeper HMS Cottesmore as a navigator in 1997, and later served as officer of the watch of HMS Sheffield and navigating officer of HMS Somerset