LAFC star Kellyn Acosta‘s home was broken into last week … and three of his pricey watches were taken in the burglary — this according to law enforcement sources.

Cops tell TMZ Sports … the incident happened at Acosta’s Los Angeles-area home after thieves made their way into the residence through a door and allegedly rummaged through the house, before making off with three of the 27-year-old soccer player’s Rolexes.

As of now, our sources say the watches appear to be the only thing taken.

No arrests have been made … but we’re told police are not ruling out the possibility that it was an inside job. An investigation remains ongoing.

Acosta, who initially began his MLS career with FC Dallas, joined LAFC last season — and started 28 games … scoring two goals.

Acosta was also part of the 2022 U.S. World Cup team that advanced to the Round of 16.