Tolj is a Croatian surname of a family originating from a small town called Greda in the district of Ljubuški in Bosnia and Herzegovina.
The family name may refer to:
- Marija Tolj (1999), Croatian athlete
- Miroslav Tolj, Croatian actor known for his role in Borat Subsequent Moviefilm
- Samantha Tolj (born 1982), Australian actress
- Slaven Tolj (born 1964), Croatian multimedia artist