LB, lb or lb. may refer to:
LBC (originally the London Broadcasting Company) is a London-based national talk and phone-in radio station.
LBJ is an upcoming American political drama film directed by Rob Reiner and written by Joey Hartstone, whose script was on the 2014 Black List.
The LBC Crew (Long Beach City Crew) is a collective of Long Beach-based rappers. They were the first act to be executively-produced by Snoop Dogg.