This is a list of superheroes who regularly wear suits in their secret identities. Many other heroes ocassionally wear suits. This list includes heroes who do not have secret identities, but wear suits all the time (ex. The Phantom Stranger).

DC Comics

• The Atom, as college proffesor Ray Palmer
• Batman, as billionaire playboy Bruce Wayne
• Black Lightning, as Jefferson Pierce, advisor to president Lex Luthor
• Blue Beetle, as billionaire Ted Kord
• The Chief, who as Dr. Niles Caulder leads the Doom Patrol
• The Creeper, as television anchor Jack Ryder
• The Demon, as paranormal investigator Jason Blood
• Detective Chimp wears a suit, and is the only member of the Shadowpact who owns one
• Dr. Light , as scientist Kimiyo Hoshi
• Doctor Occult in his capacity as a supernatural detective
• Doctor Thirteen, as parapsychologist Terrence Thirteen
• Doctor William Magnus, creator of the Metal Men wears a suit
• The Elongated Man, as private detective Ralph Dibney
• The Flash as police scientist Barry Allen
• Green Arrow, as Oliver Queen, billionaire playboy and mayor of Star City
• Green Lantern, as Alan Scott, radio producer and White King of Checkmate
• Martian Manhunter, as police detective John Jones
• The Phantom Stranger
• The Question, as investigative reporter Vic Sage
• Sargon the Sorcerer
• The Spectre, as detectives Jim Corrigan and Crispus Allen
• The Spirit
• The Thunderbolt, who as Johnny Thunder always wore a suit

Elseworlds

Kingdom Come

• Captain Marvel wears a tuxedo when not in costume

Watchmen

• Dr. Manhattan as Jon Osterman, government scientist
• Nite-Owl, as Daniel Dreiberg
• Ozymandias, as billionaire Adrian Veidt

Vertigo

• John Constantine

Wildstorm

• The Great Machine, who as Mitchell Hundred is mayor of New York City
• Maul, as Dr. Jeremy Stone
• Spartan, as Jack Marlowe, CEO of the Halo Corporation

Marvel Comics

• Angel, as billionaire Warren Worthington III
• Daredevil, as lawyer Matt Murdock
• The Green Goblin, as Norman Osborn, leader of the Thunderbolts
• Howard the Duck, as Howard the Duck
• The Hulk, as scientis Bruce Banner
• Iron Man, as billionaire industrialist Tony Stark
• Pete Wisdom, as a secret agent for the British government
• Professor X, as Chales Xavier, headmaster of The Xavier Institute for Gifted Youngsters
• She-Hulk, as lawyer Jennifer Walters
• Sunspot, as Roberto da Costa, head of the L.A. branch of X-Corp
• Thor as Dr. Donald Blake
• Yellow Jacket, as scientist Hank Pym

Minor Publishers

Dark Horse Comics

• Mr. Incredible, as Bob Parr in the comics based on the Pixar film

Other Media

• Birdman, as Harvey Birdman, Attorney at Law on the show of the same name
• "Flying Man" Nathan Petrelli, a politician on Heroes
• The Green Hornet wore a suit
• Mr. Incredible, as Bob Parr, a claims adjuster for the fictional company Insuricare in the Pixar film The Incredibles