Seitokai Yakuindomo (Japanese: 生徒会役員共; "Student Council Staff Members") is a Japanese four-panel manga series written and illustrated by Tozen Ujiie. It ran in Kodansha's Magazine Special from May 2007 to June 2008. It was then transferred to Kodansha's Weekly Shōnen Magazine, where it ran from July 2008 to November 2021. Its chapters are collected and published into individual tankōbon volumes, with twenty-two volumes released as of January 2022.

An anime television series adaptation by GoHands aired in Japan between July and September 2010. A second anime season aired between January and March 2014. An anime film premiered in July 2017, and a second anime film was set to premiere in July 2020, but had been delayed to January 2021 due to the COVID-19 pandemic. In North America, the anime series has been licensed by Sentai Filmworks, and in the UK it has been licensed by MVM Entertainment.

Takatoshi Tsuda attends Ōsai Academy, a high school that, due to declining birth rates, is converted from an all-girl school to a co-ed school (with a male-to-female ratio of 28:524). On his first day, he is forcibly recruited into the student council as the vice-president and sole male representative. The story follows Tsuda and the student council as they interact with each other and their