Donald L. Ritter (born 1940), U.S. Representative from Pennsylvania
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Don Ritter (born 1959), Canadian installation artist and writer
Donald Trump | Donald Duck | Donald Rumsfeld | Donald Knuth | Donald Sutherland | Lawrence Ritter | Tex Ritter | Donald Judd | Donald Honig | Donald Bradman | Donald Pleasence | Donald Byrd | Donald Tsang | William Donald Schaefer | Josh Ritter | John Ritter | Donald Winnicott | Donald Fagen | Jason Ritter | Donald Tusk | Donald O'Connor | Donald Brashear | Donald | Donald Ross | Donald Kennedy | Donald E. Westlake | Donald Braswell II | Donald Baechler | Ferdinand Ritter von Hebra | Donald Smith, 1st Baron Strathcona and Mount Royal |