Ruthie is a feminine diminutive of Ruth. Notable people with the name include:
Ruthie the Duck Girl (1934–2008), American woman
Ruthie Bolton (born 1967), American basketball player
Ruthie Blum, Israeli journalist
Ruthie Collins (born 1984), American singer-songwriter
Ruthie Davis, American designer and entrepreneur
Ruthie Foster (born 1964), American singer-songwriter
Ruthie Gilor, Israeli lawn bowler
Ruthie Henshall (born 1967), English actress and singer
Ruthie Matthes (born 1965), American bicycler and racer
Ruthie Ann Miles (born 1983), American actress and singer
Ruthie Morris (born 1964), American musician and guitarist
Ruthie Quinto (born 1968), American educator
Ruthie Tompson (1910–2021), American engineer and animator
Other uses
Château de Ruthie, castle in the commune of Aussurucq in the Pyrénées-Atlantiques département of France
Ruthie Berman and Connie Kurtz,
Ruthie on the Telephone, a series aired on the CBS Television network during 1949
"Ruthie" (BoJack Horseman)