F420 may refer to:
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Farman F.420
The Farman F.420 was a twin engine monoplane, built in France in the mid-1930s to compete in a government contest for an aircraft capable of fulfilling bomber, fighter and reconnaissance roles. Two prototypes were constructed but no production f ...
, a French multi-role fighter class introduced in 1934
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Coenzyme F420
Coenzyme F420 is a family of coenzymes involved in redox reactions in a number of bacteria and archaea. It is derived from coenzyme FO (7,8-didemethyl-8-hydroxy-5-deazariboflavin) and differs by having a oligoglutamyl tail attached via a 2-ph ...
, a coenzyme involved in redox reactions in methanogens
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HMNZS Tutira (F420)
HMS ''Loch Morlich'' was a Loch-class frigate that never saw service with the Royal Navy. Ordered during World War II, she saw service instead with the Royal Canadian Navy in the Battle of the Atlantic. She was named for Loch Morlich in Scotlan ...
, a 1948 Loch class frigate of the Royal New Zealand Navy
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