Clare Tree Major (1880 – October 10, 1954) was a stage director, playwright, producer of children's theater, and actress. She first acted in London, but in 1914 she came to New York to perform with the Washington Square Players. She was the first British actress to tour America from coast to coast. From the 1920s on she worked exclusively on theater for children, writing plays and sending professional actors on tour to perform them.
She was born in 1880 in England. She migrated to the United States in 1914. In 1924 she started the Children's Theatre of New York. In 1925 she produced the play The Little Poor Man. She founded the Clare Tree Major Theatre Company in 1927.
She died on October 10, 1954 in Manhattan.
The Clare Tree Major papers, 1912-1954, are held in the New York Public Library.