Grumman was an aircraft producer.
Grumman may also refer to: Northrop Grumman, an aerospace and defense conglomerate
People Cornelia Grumman (fl. 1981–present), American journalist Leroy Grumman (1895–1982), an American industrialist and aeronautical engineer, who founder of the Grumman Aircraft Engineering Corporation
Ships USNS Leroy Grumman (T-AO-195), a U.S. Navy fleet replenishment oiler in service since 1989
Fiction Grumman (Dune), a fictional planet in Frank Herbert's Dune universe Stanislaus Grumman, a fictional character in the His Dark Materials series