Ahoy or Ahoj may refer to:

• Ahoy! (magazine)
• Ahoy (greeting)
• Ahoy Rotterdam, an indoor sports arena in Rotterdam, Netherlands
• Australian Humanist of the Year, an award
• Ahoj, an area in Nové Mesto, Bratislava

Ahoy! was a magazine published between January 1984 and January 1989 that focused on all Commodore International color computers, but especially the Commodore 64 and Amiga. It was noted for the quality and learnability of its type-in program listings.