Extensive Definition

Birdman may refer to:

Birdman of Alcatraz, a 1962 film
Birdman (novel), a novel by Mo Hayder
Radio Birdman, a 1970s Australian punk/garage group
Birdman Records, an independent music label
Birdman, an EP by the British band Ride
Birdman Aircraft, an American ultralight manufacturer
International Bognor Birdman, a competition where people attempt to fly with home-made contraptions
Tangata manu (literally "the bird-man"), the winner of a ritual competition on Easter Island
Birdman or birdmen petroglyphs or paintings of Frigate Bird/Human hybrids from Rapa Nui (Easter island)
The Birdman mode within Pilotwings 64.

Fictional characters

The Birdman, a Protoculture bio-mechanical mecha from the Japanese animated series Macross Zero
In mythology, bird people are a hybrid between bird and human.
Birdman and the Galaxy Trio, a 1967 sci-fi animated TV series
Harvey Birdman, Attorney at Law, a modern comedic spinoff series
Birdmen, a species that appears in the Buck Rogers in the 25th Century TV series
Bird-Man, a villain from Marvel Comics; a member of the Ani-Men
The Bird Man, a fictional character in Terry Goodkind's The Sword of Truth series
Aarakocra, a creature from Dungeons & Dragons, is also known as a birdman

Robert Franklin Stroud, the "Birdman of Alcatraz", famous for raising birds
Chris Andersen, an NBA basketball player for the New Orleans Hornets nicknamed "The Birdman"
Birdman (rapper), the stage name of Bryan "Baby" Williams, a record executive, rapper and record producer
Tony Hawk, a professional American skateboarder
James Ware (wrestler), professional wrestler
Pete Townshend of The Who was referred to as "The Birdman"