List of Famous people who are 55

Helle Thorning-Schmidt is a Danish retired politician who served as the 26th Prime Minister of Denmark from 2011 to 2015, and Leader of the Social Democrats from 2005 to 2015. She is the first woman to hold each post. Following defeat in 2015, she announced that she would step down as both Danish Prime Minister and Social Democratic party leader. Ending her political career in April 2016, she was the chief executive of the NGO Save the Children until June 2019.

Adriana Samuel Ramos is a Brazilian volleyball and beach volleyball player, who won the silver medal in the inaugural women's beach volleyball tournament at the 1996 Summer Olympics, partnering Mônica Rodrigues.

Claire Guyot is a French actress and singer, known for her prolific dubbing of foreign productions. She is also artistic director of dubbing. Most notably for the famous American actresses Teri Hatcher, Sarah Michelle Gellar, Winona Ryder and Jodi Benson. Guyot has recently started to appear in theater productions. In 2010 she portrayed Donna in the musical Mamma Mia! at the Théâtre Mogador. She dubbed Ariel in the French version of Disney's 28th animated feature, "The Little Mermaid", first as both her speaking and singing voices in the original dub, then only her speaking in the 1998 version.

Andrew Simon Feldman, Baron Feldman of Elstree, is a British barrister, businessman and Conservative fundraiser and politician.

Daniel Dion O'Brien is an American former decathlete and Olympic gold medalist. He won the Olympic title in 1996, three consecutive world championships, and set the world record in 1992.

Fredrik Skavlan is a Norwegian TV host, journalist, and cartoonist. He hosted the talk show Først & sist from 1998 to 2007, for which he won the 1999 Norwegian Television Award for best host as well as the talk show Skavlan since 2009, for which he won the Swedish Television Award for Best Television Host. Skavlan originally worked as a journalist and cartoonist for several Norwegian newspapers, including Morgenbladet and Dagbladet.