A thunderhead is an extreme cumulonimbus cloud seen during a thunderstorm.

Thunderhead may also refer to:

• Anvil cloud (Cumulonimbus incus cloud)

• Thunderhead (horse), a racehorse

• Thunderhead (Preston and Child novel)

• Thunderhead (Shusterman novel)

• Thunderhead (roller coaster) at Dollywood theme park

• Thunderhead, Son of Flicka, a 1945 film

• Thunderhead Mountain in the Great Smoky Mountains

• Thunderhead, a character in the Young Heroes in Love comic book series

• "Thunderhead (I Just Wanted A Little Rain)", a song on the album Well... by Katey Sagal

• "Thunderhead", a song by Phish from their album Round Room

• "Thunderhead", a song by Overkill from their album Bloodletting

• "Thunderhead", a song by W.A.S.P. from their album The Headless Children

• Thunderhead Raceway, a fictional raceway in the film Speed Racer