| Maura Clarke | |
| Honorific Suffix: | M.M. |
| Birth Name: | Mary Elizabeth Clarke |
| Birth Date: | 13 January 1931 |
| Birth Place: | Queens, New York |
| Death Place: | El Salvador |
| Death Cause: | Murder by military death squad |
| Resting Place: | Chalatenango, El Salvador |
| Nationality: | American |
| Occupation: | Maryknoll Missionary Sister |
| Parents: | John and Mary Clarke |
Maura Clarke, MM (January 13, 1931 – December 2, 1980), was an American Maryknoll sister who served as a missionary in Nicaragua and El Salvador. She worked with the poor and refugees in Central America from 1959 until her murder in 1980. On December 2, 1980, she was beaten, raped, and murdered along with three fellow missionaries — Ita Ford, Dorothy Kazel and Jean Donovan — by members of the military of El Salvador.
See main article: 1980 murders of U.S. missionaries in El Salvador.