Jaczo
Jaczo is the name of the following people:
- Jaczo von Gützkow (* 1244; † after May 16, 1303), Count of Gützkow
- Jaczo von Salzwedel († before June 1249), vassal of the Pomeranian dukes and founder of the county of Gützkow
- Jaxa von Köpenick (Jaczo de Copnic; * before 1130; † 1176), Slavic prince