Formidable may refer to:

Music Albums Formidable (La Toya Jackson album), 1992 or the title song Formidable (Pat Martino album), 2017 Formidable, by Oui Oui, 1991 Formidable...!, by Bernard Peiffer, 2006 Gabar (Formidable), by Abdel Halim Hafez, 1967

Songs "Formidable" (song), by Stromae, 2013 "Formidable", by Twenty One Pilots from Scaled and Icy, 2021 "Formidable", written by Charles Trenet

Ships Formidable-class frigate, Republic of Singapore Navy French ship Formidable, six ships, including: French ship Formidable (1751), an 80-gun ship of the line French ship Formidable (1795), later HMS Belleisle, a 74-gun third rate French ship Formidable (1795), an 80-gun ship of the line French ironclad Formidable, launched 1885 HMS Formidable, five ships, including: HMS Formidable (1777), a 98-gun second rate man-of-war HMS Formidable (1825), an 84-gun second rate HMS Formidable (1898), a pre-dreadnought battleship Formidable-class battleship, a four-ship class named for the 1898 ship HMS Formidable (67), an aircraft carrier

Sports Formidable (horse) (1975–1997), a Thoroughbred racehorse

See also Fourmidables, a Spanish barbershop quartet