WLTI may refer to:
WLTI (AM) (1550) in New Castle, Indiana, which assumed this call sign in 2010 WKLZ (105.9) in Syracuse, New York, used the call sign from 1996 to 2010 WUFL (FM) (93.1) in Detroit, Michigan, used the call sign from 1985 to 1996 WUML (91.5) in Lowell, Massachusetts, used the call sign from 1967 to 1975