Frank
The name Frank could refer to the following:

 Frank (cousin), an illusory cousin of Reginald Barclay
 Frank (Crewman), the identity of a Voyager crewman in the holoprogram "Fair Haven" 
 Frank (food), short for "Frankfurter", the original, now alternate term for a hot dog
 Franc, French currency

Other individuals who were identified as "Frank"
 Frank Chalmers, a character in a Vic Fontaine holoprogram, aka "Frankie Eyes"
 Frank Darwin, a Voyager crewmember
 Frank Hollander, a character in the Deadwood holoprogram
 Frank McLowery, a 19th century Tombstone 
 Frank Sinatra, an actor, singer and entertainer

Production references 
 Frank (makeup artist), a makeup artist who worked on The Next Generation
 Frank (Star Trek), a character in a deleted scene from the film Star Trek

See also