A Wisconsin teen accused of sexually assaulting college students landed in jail for the third time in less than two weeks.

Larry Seidl, 18, was busted Thursday night at the University of Wisconsin-Madison for allegedly going into a women’s bathroom in a dorm and sticking his phone under an occupied stall, authorities said.

Seidl left the dorm when staff confronted him, but police tracked him down on campus, news station WKOW reported. He was taken into custody for bail jumping.

The alleged assault came within nine days of him posting bond for similar crimes in the campus-area.

Campus police spokesperson Marc Lovicott told The Post that Seidl, who is from Madison, is not enrolled at the university.

Police said that he was arrested Aug. 30 for a related incident where he went into a different dorm and allegedly video-taped a student in the women’s bathroom, WKOW reported. Security footage showed him going into other restrooms.

He was booked on disorderly conduct and criminal trespassing charges, but later released on $150 bail.

The next day, Seidl was accused of grabbing a woman’s butt at the University Book Store in Madison. He was arrested for fourth-degree sexual assault.

He appeared in court Thursday for the first two incidents — just hours before he allegedly committed the third crime.

The teen remained in custody Friday at Dane County Jail. He is set to appear in court Monday for his bail hearing.