2023 Philadelphia Union season

The 2023 Philadelphia Union season was the club's fourteenth season in Major League Soccer, the top flight of American soccer. The team was managed by Jim Curtin, his tenth season with the club. The club's regular season began on February 25, 2023, and concluded on October 9. Outside of MLS, Philadelphia will participate in the U.S. Open Cup, the CONCACAF Champions League, and the Leagues Cup.

Previous season
The club finished second in the Supporters' Shield standings and first in the Eastern Conference. The Union appeared in their first MLS Cup, where they lost to Shield winners Los Angeles FC in a penalty shootout.