Agan may refer to:

• Agan River, Russia
• Əhən, Azerbaijan

• Aaron Lieberman
• Aaron Lindstrom
• Aaron Lindström
• Aaron Livingston
• Aaron L. McGrath
• Aaron Loeb
• Aaron Long (disambiguation)
• Aaron L. Resnick
• Aaron Lubinski
• Aaron Lucius Chapin
• Aaron Luke Smith
• Aaron L. Weisman
• Aaron Ly
• Aaron Lynch
• Aaron López
• Aaron López (footballer)
• Aaron Macgruder
• Aaron Maine
• Aaron Mair
• Aaron Manasses McMillan
• Aaron Maniam
• Aaron Marshall Elliott
• Aaron Mason (racing driver)
• Aaron Mastache
• Aaron Mattia Tabacchi