What Is a Man Without a Moustache? (Croatian: Što je muškarac bez brkova?) is a 2005 Croatian romantic comedy-drama film. Hrvoje Hribar directed the film and wrote the screenplay as an adaptation of Ante Tomić's 2000 novel of the same name.

Starring Leon Lučev and Zrinka Cvitešić and set against a background of a country still recovering from the Croatian War of Independence, the film tells the story of a young widow who falls in love with a local priest and a difficult choice that the priest faces when being forced to choose between the woman and his church. It won the audience award at the Pula Film Festival as the favourite film while Zrinka Cvitešić won two festival awards for her performance in the film.