List of Famous people who are 55

Colin Murray "Gem" Archer is an English musician, best known as a member of the English rock bands Oasis, Beady Eye and Noel Gallagher's High Flying Birds. He is also known for his work with Heavy Stereo. He joined Oasis as rhythm guitarist in November 1999, and handled lead guitar for acoustic songs as well. He also contributed to the writing of some of the band's songs. Oasis broke up in August 2009, but in November 2009, Liam Gallagher announced he was writing new material with Archer as well as other ex-Oasis members excluding his brother Noel, under the name Beady Eye. After two albums with Beady Eye, 2011's Different Gear, Still Speeding and 2013's BE, the band officially disbanded in October 2014. In 2017, Archer joined Noel Gallagher's High Flying Birds as lead guitarist, thus reuniting with former Oasis member Noel Gallagher.

Megumi Itō is a former Japanese competitor in synchronised swimming. She competed for Japan in the women's solo competition at the 1988 Summer Olympics.