List of Famous people who are 55

Niklas Zennström is a Swedish billionaire entrepreneur known for founding several high-profile online ventures with Janus Friis including Skype and Kazaa. He also founded the technology investment firm Atomico and has become a significant figurehead for entrepreneurs in the tech sector. Zennström is also the co-founder of the charity organization Zennström Philanthropies.

John Michael McDonagh is a screenwriter and film director with British and Irish nationality. He wrote and directed The Guard (2011) and Calvary (2014), both films starring Brendan Gleeson, receiving a BAFTA Award nomination for the former. He was born in London in 1967. He is the older brother of playwright and filmmaker Martin McDonagh.

Lyubov Ivanovna Yegorova, name also spelled Ljubov Jegorova, is a Russian former cross-country Olympic ski champion, multiple world champion, winner of the World Cup (1993) and Hero of Russia. Lyubov Yegorova is an honorary citizen of Seversk (1992), Saint Petersburg (1994), and Tomsk Oblast (2005). Member of Communist party.

Valentyn Oleksandrovych Nalyvaichenko is a Ukrainian diplomat and politician.

Philip Reeve is a British author and illustrator of children's books, primarily known for the 2001 book Mortal Engines and its sequels. His 2007 novel, Here Lies Arthur, based on the legendary King Arthur, won the Carnegie Medal, which sets out to choose the year's best children's book published in the UK.

Brian Arthur Mikkelsen is CEO of The Danish Chamber of Commerce. He is former Minister and former member of the Conservative People's Party, and was in The Danish Parliament (Folketinget) from 21 September 1994 to 21 June 2018.