Johnny Olszewski

John Anthony Olszewski Jr. ( ; born September 10, 1982), also known by his nickname Johnny O, is an American politician. He has been a member of the U.S. House of Representatives from Maryland's 2nd congressional district since 2025. He is a member of the Democratic Party. He was the 14th county executive of Baltimore County, Maryland, from 2018 to 2025.

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Category:1982 births
Category:Living people
Category:United States representatives from Maryland
Category:Politicians from Baltimore
Category:Democratic Party (United States) politicians