L42 may refer to:
- HMS Brocklesby (L42), an ex-coaster taken up from trade that served in World War I for the British Royal Navy
- Lee–Enfield L42, a sniper rifle
- Mitochondrial ribosomal protein L42, a human protein
- Sako Model L42, a rifle
- Spanish landing ship Pizarro (L42)
- an engine in GM's Ecotec engine family
- a version of the Chaika L-4 amphibian aircraft
This disambiguation page lists articles associated with the same title formed as a letter–number combination.
If an internal link led you here, you may wish to change the link to point directly to the intended article.
If an internal link led you here, you may wish to change the link to point directly to the intended article.