Sister Margaret may refer to:
- Sister Margaret Farley (21st century), American Roman Catholic nun
- Sister Margaret Sinclair (1900-1925), Scottish Roman Catholic nun
- Sister Margaret McKenna (born 1940), American Medical Mission Sister
Famous quotes containing the word sister:
“It is natural not to care about a sister certainly not when she is four years older and grinds her teeth at night.”
—Gertrude Stein (1874–1946)