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.

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).

[3] In March 1936 she won the U.S. Indoor Championships defeating Norma Taubele in straight sets.

On 22 October 1930, she married John Van Ryn, who was inducted into the International Tennis Hall of Fame in 1963.