| Hiller Crowell Wellman | |
| Office: | President of the American Library Association |
| Term Start: | 1914 |
| Term End: | 1915 |
| Predecessor: | Edwin Hatfield Anderson |
| Successor: | Mary Wright Plummer |
| Birth Date: | 22 March 1871 |
| Birth Place: | Boston, Massachusetts, US |
| Death Place: | Springfield, Massachusetts, US |
| Nationality: | American |
| Occupation: | Librarian |
Hiller Crowell Wellman (March 22, 1871 in Boston – February 3, 1956)[1] [2] was an American librarian who served as president of the American Library Association (1914–15). He was librarian for the Springfield (Massachusetts) City Library from 1902 to 1948. Before his tenure in Springfield, Wellman served as librarian at the Brookline Library.[3] In addition, Wellman was special editor for library terms for Webster's New International Dictionary, Second Edition.[4]