| Name
| Description
| 1st App in Aquaman
|
| Y
|
| Yangtze
| A river in China, referred to as the Yangtze Kiang in a text box. One of the greatest rivers in the world. Part of Aquaman's domain.
| More Fun #95 (1944)
|
| Yank
| Member of a group of US Marines trapped by an ambush on Kungsi Island.
| More Fun #90 (1943)
|
| Yascom
| A convict blacksmith on Convict Island who starts the rebellion against the guards and declares himself king. He is defeated by Aquaman and ends up shark food.
| More Fun #82 (1942)
|
| Yegar, Captain
| A tug captain who refuses to pay protection money to Joe Moxie.
| Adventure #195 (1953)
|
| You Saw It Happen!
| A live TV show that re-enacts historical events.
| Adventure #235 (1957)
|
