List of Famous people born in Masovian Voivodeship, Poland

Lelord Kordel was a Polish American nutritionist and author of books on healthy living. He was consulted by top Hollywood stars and earned several awards, but was fined and imprisoned for making false claims about his products. Kordel promoted a low-carbohydrate high-protein fad diet.

Józef Pius Dziekoński was a Polish architect and heritage conservator, a representative of the 19th-century historicism. He became the first dean at the Faculty of Architecture of the Warsaw University of Technology and co-founded the Society for the Protection of Historical Monuments (TOnZP).

Stefan Bronisław Starzyński was a Polish statesman, economist, military officer and Mayor of Warsaw before and during the Siege of 1939.

Ludwik Witold Rajchman was a Polish physician and bacteriologist. He is regarded as the founder of UNICEF, and served as its first Chairman from 1946 to 1950.

Hyman G. Rickover was an Admiral in the U.S. Navy. He directed the original development of naval nuclear propulsion and controlled its operations for three decades as director of the U.S. Naval Reactors office. In addition, he oversaw the development of the Shippingport Atomic Power Station, the world's first commercial pressurized water reactor used for generating electricity. Rickover is also one of four people who have been awarded two Congressional Gold Medals.

Henryk Kowalczyk is a Polish politician, and the acting Minister of State Treasury. He has been a minister without portfolio in the cabinet of Beata Szydło since 16 November 2015. Kowalczyk is the chair of the Standing Committee of the Council of Ministers and vice-chair of the Economic Committee of the Council of Ministers. He was first elected to the Sejm on 25 September 2005, getting 7,211 votes in 18 Siedlce district, as a candidate on the Law and Justice list.

Waldemar Łysiak is a bestselling Polish writer, art historian and journalist, who has written under his own name as well as the pseudonyms 'Valdemar Baldhead', 'Archibald', 'Mark W. Kingden', 'Rezerwowy Ł.'. He is notable as an author of numerous books on the Napoleonic era, both historical and fiction. He also owns a large number of rare prints and manuscripts, among others the poems by Norwid and the only surviving copy of Kochanowski's Treny.