Ann Morgan Guilbert (October 16, 1928 – June 14, 2016), sometimes credited as Ann Guilbert, was an American television and film actress who portrayed a number of roles from the 1950s on, most notably as Millie Helper in 61 episodes of the early 1960s sitcom The Dick Van Dyke Show, and later Yetta Rosenberg, Fran Fine's doddering grandmother, in 56 episodes of the 1990s sitcom The Nanny.
Guilbert was married to writer and producer George Eckstein from 1953 until their divorce in 1966. They had two children together, actress Hallie Todd and acting coach Nora Eckstein. Her second marriage, to Guy Raymond, lasted from 1967 until his death in 1997.
Guilbert died of cancer in Los Angeles on Tuesday, June 14, 2016. An episode of Life in Pieces was dedicated in her memory.