Bullfrog is a large aggressive frog, of any of a number of species

Bullfrog may also refer to:

• Bullfrog, Nevada, a ghost town
• Bullfrog, Utah, a small community
• Bullfrog Basin Airport, Utah
• Bullfrog County, Nevada, a short-lived county in Nevada
• Bullfrog Hills, a mountain range in Nevada
• Bullfrog Marina, in Utah

• Bullfrog Climax Group, a UK video game-development company later called Climax Group
• Bullfrog International, spa manufacturer
• Bullfrog Power, a renewable energy company in Canada
• Bullfrog Productions, a UK computer game developer

• Green Bullfrog, a 1972 album produced by Derek Lawrence
• Bullfrogs and Butterflies (album), a 1978 album produced by Mike Deasy and features Barry McGuire and Candle
• "The Bullfrog", a 1991 single by GTO

• Anaheim Bullfrogs, an inline hockey team
• Green Bay Bullfrogs, a baseball team
• Raleigh Bullfrogs, a former basketball team
• Yuma Bullfrogs, a former minor league baseball team
• Peter "Bullfrog" Moore (1932–2000), former chief executive of the Canterbury Bulldogs Rugby League

• Bullfrog Road Bridge, a historic bridge near Taneytown, Frederick County, Maryland, United States
• Bullfrog Goldfield Railroad, a railroad that operated in Nevada 1905–1928; see List of Nevada railroads