JLO (disambiguation)
J.Lo is a nickname for Jennifer Lopez (born 1969), American singer and actress.

JLO may also refer to:
 J.Lo (album), an album by Jennifer Lopez
 Jason Lo or J Lo (born 1975), Malaysian musician
 João Lourenço, president of Angola
 Judgment of Line Orientation
 
 Juvenile Liaison Officer
 J.Lo, a character in The True Meaning of Smekday
Justin Longmuir, nicknamed JLo, Australian footballer

See also 
 Jennifer Lopez (disambiguation)