Cerulean is a shade of blue.

Cerulean may also refer to:

• Cerulean (album), by Baths, 2010
• Cerulean, a 1991 album by The Ocean Blue
• "Cerulean", a song by Blank Banshee from the 2016 album MEGA

• Cerulean, Kentucky, United States
• Cerulean Lake, in Glacier National Park, Montana, U.S.
• Cerulean Tower, in Tokyo, Japan

• Ceruleans, or Jamides, a genus of butterflies
• a Green fluorescent protein derivative

• All pages with titles beginning with Cerulean
• All pages with titles containing Cerulean
• Cerulean cuckooshrike
• Cerulean kingfisher
• Cerulean flycatcher
• Cerulean warbler
• Cerulean-capped manakin