Leicester Tigers (officially Leicester Football Club) are a professional rugby union club based in Leicester, England. They play in Premiership Rugby, England's top division of rugby.

The club was founded in 1880 and since 1892 plays its home matches at Mattioli Woods Welford Road in the south of the city. The club has been known by the nickname Tigers since at least 1885. In the 2022–23 Premiership Rugby season Tigers finished 3rd, this entitled them to compete in the 2023–24 European Rugby Champions Cup. The current head coach is Dan McKellar who took his role in the summer of 2023.

Leicester have won 21 major titles. They were European Champions twice, back-to-back in 2001 and 2002; have won a record 11 English Championships, five RFU Knockout Cups and three Anglo-Welsh Cups, most recently in 2017. Leicester most recently won the Premiership Rugby title in the 2022 season, and appeared in a record nine successive Premiership finals, from 2005 to 2013. Leicester is one of only three teams never to have been relegated from the top division. Leicester have appeared in five European finals, the joint-second most overall, as well as the two victories they have also lost finals three times, in 1997, 2007 and 2009. In 2021 they played in the European Rugby Challenge Cup final.