Delfin means "dolphin" in some languages, and sometimes the term may be seen translated as "dolphin" even in proper names. The term may refer to one of the following.

  • The Delfin (submarine), Russian submarine from 1900s
  • The Delfin (commando), Russian submarine commando unit rumoured to be created 1970 for the purpose of attacking NATO harbours
  • The Greek submarine Delfin
  • The Aero L-29 Delfin, a military trainer aircraft manufactured in Czechoslovakia.
  • Delfin Lend Lease are an Australian residential property developer
  • Delfin Quishpe, the Ecuadorian singer
  • Victor DelfĂ­n, the Peruvian sculptor