Light Blue may refer to:

Light blue, a variant of the color blue

• Light blue (web color)

• Light blue (RAL), a RAL color

  "Light Blue", a song by Thelonious Monk on the 1958 jazz album Thelonious in Action

• "Light Blue", a song by Snail Mail on the 2021 indie rock album Valentine

• Light Blue Pour Homme, a men's fragrance

• Light Blue Sun, an album by Lili Haydn

• Light Blue: Arthur Blythe Plays Thelonious Monk, an album by Arthur Blythe

• MRT Light Blue Line, a planned mass rapid transit line to be built in Bangkok, Thailand

• Light Blue Line

See also

• Blue Light (disambiguation)