Bogislaw I (c. 1130 – 18 March 1187 in Sassnitz near Altwarp) of the House of Griffins is Duke of Pomerania-Stettin from 1156 to 1187.

He rules the Duchy of Pomerania jointly with his brother Casimir I of Pomerania-Demmin.

His father is Wartislaw I.

He is first married to Walburgis (d. 1177), daughter of Valdemar I of Denmark and later to Anastasia, daughter of Mieszko III of Poland and Eudoxia of Kiev.

With his second wife, he has 5 children.