The 2023 season was the Los Angeles Chargers' 54th season in the National Football League (NFL), their 64th overall, their eighth in the Greater Los Angeles Area, their fourth playing their home games at SoFi Stadium, their tenth and final under general manager Tom Telesco and their third and final under head coach Brandon Staley.

The Chargers failed to improve on their 10–7 record from the previous season following a Week 12, 10–20 loss to the Baltimore Ravens.

[3] Already struggling with a 5–7 start, the Chargers were dealt with a devastating blow when they lost franchise quarterback, Justin Herbert following a week 14 loss to the Denver Broncos to a broken finger.

Shortly after the end of their 2022 season, the Chargers signed twelve players on their practice squad to reserve/future free agent contracts.

Running backs (RB) Wide receivers (WR) Tight ends (TE) Defensive linemen (DL) Defensive backs (DB) Special teams Reserve The Chargers' preseason opponents and schedule were announced on May 16, 2023.

[52] The Chargers held joint practices with the New Orleans Saints on August 17 and 18 at the Jack Hammett Sports Complex in Costa Mesa, California.

The Chargers blew an 11–0 lead and lost to the Titans, 27–24, in overtime, on a 41-yard field goal by Nick Folk.

In addition to losing the game, the Chargers lost quarterback Justin Herbert for the rest of the season to a finger injury in the 2nd quarter.

The day after the game, the Chargers fired head coach Brandon Staley and general manager Tom Telesco.