Deidre, Deirdre, or Deirdrie is a feminine given name. Notable people with the name include:
Deirdre Connelly (born 1961), Puerto Rican and Irish-American pharmaceutical-industry executiveDeidre Downs (born 1980), Miss America 2005Deidre Hall (born 1947), American actressDeidre Holland (born 1966), Dutch porn starDeidre McCalla (21st century), American singer-songwriterDeidre Rubenstein (born 1948), Australian television and theatre actressDeirdrie Wood, Labour candidate at the 1987 Greenwich by-electionDeirdre Shannon, Irish singerDeirdre Rufino (neè Murphy), the sister of Michaela Odone