Chubb may refer to:
People Chubb (surname), a list of people with the surname Timothy O'Connor (Irish politician) (1906–1986), Irish politician nicknamed "Chubb" Chubb Rock (born 1968), American rapper Richard Simpson
Companies Chubb Limited, an American–Swiss insurance company Chubb Locks, a British lock and security company Chubb Fire & Security, a worldwide operating business specialised in asset protection & life safety
Other uses Pingualuit crater, formerly known as Chubb Crater, a meteor crater in Quebec Chubb detector lock, a re-locking device which indicates tampering Squalius cephalus or chubb, a European river fish HMS Chub, several ships
See also Chubb illusion, an optical illusion dealing with visual perception Chub (disambiguation) Chubbtown, Georgia, US