Matti Helge Ranin was a Finnish actor.
Ranin had an extensive career in film. He was in his prime as film-actor in the 1950s and 60s, most famously playing Captain Kariluoto in an Edvin Laine film The Unknown Soldier. He also had a recurring role of Toivo Virta in the Komisario Palmu films and appeared as Lauri Salpakari in the 1968 film adaption of Täällä Pohjantähden alla.
Ranin has also acted extensively as a voice-over artist in children's audio books, cartoons and TV shows. He became known as the voice of the horse Histamiini, performed in puppet theatre style programming and based on the children's books by Raili Mikkanen. Ranin also directed the Finnish voice-over of Disney's Beauty and the Beast and performed the role of Belle's father. Ranin also had long running television roles in Pentti Karvala in the hospital drama Ihmeiden tekijät and as Kaarlo Kares on the soap opera Kotikatu.