Leonard Everett Ware (September 27, 1876 – December 28, 1914) was an American male tennis player of Canadian origin.

He won two titles in the men's doubles competition at the U.S. National Championships played at the Newport Casino, and reached the semifinals of the singles four times.

Ware won the interscholastic championship held in Newport, representing Roxbury Latin School.

In March 1898 he won the inaugural edition of the U.S. National Indoor Tennis Championships, held in Newton Centre, after defeating Holcombe Ward in the final in three straight sets.

[2] After his tennis career he became a banker and held several positions in the banking industry in Boston and New York where he worked at the firm Mann, Bill & Ware.