F99

F99 or F-99 may refer to:
 * F-99 Bomarc, a 1957 joint United States of America–Canada missile
 * HMS Cornwall (F99), a 1985 British Royal Navy Type 22 frigate
 * HMS Lincoln (F99), a 1959 British Royal Navy Salisbury-class aircraft direction frigate
 * Icarus F99 Rambo, Romanian ultralight aircraft