| Club: | Philadelphia Union |
| Season: | 2023 |
| League: | MLS |
| Chrtitle: | Owner |
| Chairman: | Keystone Sports & Entertainment |
| Mgrtitle: | Head coach |
| Manager: | Jim Curtin |
| Stadium: | Subaru Park (Capacity: 18,500) |
| League Result: | East: 4th Overall: 5th |
| Cup1: | MLS Cup Playoffs |
| Cup1 Result: | Conference Semifinals |
| Cup2: | U.S. Open Cup |
| Cup2 Result: | Round of 32 |
| Cup3 Result: | Semifinals |
| Average Attendance: | 18,907[1] |
| Pattern La1: | _gold_ending |
| Pattern B1: | _philadelphia22h |
| Pattern Ra1: | _gold_ending |
| Pattern Sh1: | _philadelphia22h |
| Pattern So1: | _philadelphia22h |
| Leftarm1: | 011428 |
| Body1: | 011428 |
| Rightarm1: | 011428 |
| Shorts1: | 011428 |
| Socks1: | 011428 |
| Pattern La2: | _philadelphia23a |
| Pattern B2: | _philadelphia23a |
| Pattern Ra2: | _philadelphia23a |
| Pattern Sh2: | _adidasshortnavy |
| Pattern So2: | _adidasnavy |
| Leftarm2: | f6d9b6 |
| Body2: | f6d9b6 |
| Rightarm2: | f6d9b6 |
| Shorts2: | 8bd2ff |
| Socks2: | 8bd2ff |
| Prevseason: | 2022 |
| Nextseason: | 2024 |
| American: | y |
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.
See main article: 2022 Philadelphia Union season. The club finished second in the Supporters' Shield standings and first in the Eastern Conference.[2] The Union appeared in their first MLS Cup, where they lost to Shield winners Los Angeles FC in a penalty shootout.[3]
See main article: 2023 Major League Soccer season.
See main article: 2023 MLS Cup Playoffs.
See main article: 2023 U.S. Open Cup.
See main article: 2023 CONCACAF Champions League.
See main article: 2023 Leagues Cup.