L3C may refer to:

Low-profit limited liability company Level 3 Communications, a U.S. telco and ISP L-3 Communications, a U.S. satellite and aerospace company Aeronca L-3C, a WWII USAAC airplane

See also

13C LC3 (disambiguation) LCCC (disambiguation) LLLC (disambiguation) I3C (disambiguation)

LC (disambiguation)