The 2023 Sun Bowl was a college football bowl game played on December 29, 2023, at the Sun Bowl in El Paso, Texas. The 90th edition of the annual Sun Bowl game featured Oregon State from the Pac-12 Conference and Notre Dame, an FBS independent. The game began at approximately 12:00 p.m. MST and was aired on CBS. The Sun Bowl was one of the 2023–24 bowl games concluding the 2023 FBS football season. The game was sponsored by Frosted Flakes breakfast cereal, a brand of WK Kellogg Co, and was officially known as the Tony the Tiger Sun Bowl, referring to the cereal's mascot, Tony the Tiger.

The Sun Bowl is an outdoor football stadium in the southwestern United States, on the campus of the University of Texas at El Paso. It is home to the UTEP Miners of Conference USA, and the late December college football bowl game, the Sun Bowl. The stadium opened in 1963 and has a nominal seating capacity of 51,500, although UTEP currently lists the capacity as 46,670.