Pietari

Pietari is a Finnish male name and an interpretation of the names Petrus and Peter. It may refer to:


 * Pietari, Finnish and Karelian exonym for Saint Petersburg, Russia
 * Pietari Inkinen (born 1980), Finnish violinist and conductor
 * Pietari Jääskeläinen (born 1947), Finnish politician
 * Pietari Holopainen (born 1982), Finnish professional football player
 * Pietari Päivärinta (1827–1913), Finnish writer and Diet member
 * Pietari Särkilahti, Finnish disciple of Martin Luther
 * Pietari Kalm, Swedish-Finnish explorer, botanist, naturalist