List of Famous people born in Uusikaupunki, Finland

Martti Ilmari Simojoki, previously Simelius was the Archbishop of Turku, and the spiritual head of the Evangelical Lutheran Church of Finland between 1964 and 1978. Simojoki became the first bishop of the Diocese of Helsinki that was established in 1959.

Robert Wilhelm Ekman, a.k.a. R. W. Ekman, was a significant teacher and painter of the Finnish romantic portraits and early national romanticism.

Bernhard Henrik Crusell was a Swedish-Finnish clarinetist, composer and translator, "the most significant and internationally best-known Finnish-born classical composer and indeed, — the outstanding Finnish composer before Sibelius".

Aimo Kaarlo Cajander was the Prime Minister of Finland up to the Winter War.