A rooster is a male chicken. Rooster may also refer to:
- Rooster (zodiac), the Chinese zodiac symbol
- "Rooster" (song), a song by Alice in Chains
- The Rooster, a song by Outkast
- Rooster (band), a British indie rock band
- Rooster (album), their debut album
- Sydney Roosters, an Australian rugby league team in the NRL
- North Adelaide Roosters, an Australian rules football team in the SANFL
- North Ballarat Roosters, an Australian rules football team in the VFL
- The Roosters, a Japanese rock band
- Rooster potato, a red-skinned potato with floury yellow flesh
- Rooster's Brewery, a small independent brewery in Knaresborough, North Yorkshire
- Rooster (character), the brother of Hannigan in the musical Annie
- Rooster, 20-Franc gold coin produced by France between 1899 and 1914
