The ninth season of Shameless, an American comedy-drama television series based on the British series of the same name by Paul Abbott, was announced on November 8, 2017, following the season 8 premiere. The season premiered on September 9, 2018, and consisted of 14 episodes, split into two seven-episode parts. The second half of the season premiered on January 20, 2019. The season also includes the 100th episode of the series.

The eighth season of Shameless, an American comedy-drama television series based on the British series of the same name by Paul Abbott, was announced on December 19, 2016, a day after the seventh season finale. The season, which premiered on November 5, 2017, consisted of a total of 12 episodes.