The sixteenth season of the American television sitcom series It's Always Sunny in Philadelphia premiered on FXX on June 7 and concluded on July 19, 2023, consisting of eight episodes. This season has first on demand availability on FXNOW and next day availability on Hulu.
The series was renewed for a sixteenth season in December 2020, along with two additional seasons confirmed. Filming began in January 2023 and concluded in March 2023.
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On Rotten Tomatoes, the season has an approval rating of 100% with an average score of 7.9 out of 10 based on 9 reviews.