Marjorie Katherine "Midge" Gladman Van Ryn (née Gladman; June 21, 1908 – November 9, 1999), was an American amateur tennis player in the early part of the 20th century.
Gladman played collegiate tennis at the University of Southern California. She was ranked in the U.S. Top Ten nine times between 1928 and 1937, with her highest ranking (No. 4) coming in 1937.
In 1928, she won the singles title at the historic tournament in Cincinnati (defeating Clara Louise Zinke in the final), the Canadian National singles title, and the Western singles championship. She paired with Zinke to win the 1928 Western doubles title as well. In 1929, she won the singles and doubles titles at both the women’s intercollegiate tournament in Boston and the Middle States singles title in Philadelphia. She also won the Delaware State singles title, and was a finalist in doubles and mixed doubles there as well.
In 1931 and 1936 she participated in the Wimbledon Championships and reached a fourth round in the singles (1931), a quarterfinal in the women's doubles (1931) and a fourth round in the mixed doubles (1936). In March 1936 she won the U.S. Indoor Championships defeating Norma Taubele in straight sets. At the same tournament she won the doubles title in 1932, 1949, 1950, 1951 and 1960.
|Runner-up||1933||Australian Championships||Grass||Joan Hartigan Bathurst|| Margaret Molesworth
Emily Hood Westacott
|Winner||1936||U.S. Championships||Grass||Carolin Babcock|| Helen Jacobs
Sarah Palfrey Cooke
|9–7, 2–6, 6–4|
|Runner-up||1937||U.S. Championships||Grass||Carolin Babcock|| Sarah Palfrey Cooke
|Runner-up||1940||U.S. Championships||Grass||Dorothy Bundy|| Sarah Palfrey Cooke
|Runner-up||1933||Australian Championships||Grass||Ellsworth Vines|| Marjorie Cox Crawford
|6–3, 5–7, 11–13|