NOAAS Bell M. Shimada (R 227) is an American fisheries research ship in commission with the National Oceanic and Atmospheric Administration (NOAA) since 2010. She operates along the United States West Coast. The ship was named by students at Marina High School in Marina, California, who won a NOAA vessel-naming contest held as part of an educational outreach program. The ship's namesake, Bell M. Shimada (1922-1958), served with the Bureau of Fisheries and the Inter-American Tropical Tuna Commission, and was known for his studies of tropical Pacific tuna stocks.