Alida Rustichelli (23 October 1943 – 14 December 2012), known professionally as Alida Chelli (Italian pronunciation: [aˈliːda ˈkɛlli]), was an Italian singer and actress, mainly known for her appearances in stage musicals.

She achieved her first success as singer, with the song "Sinnò me moro", which opens the 1959 film Un maledetto imbroglio.

[1][2] Then, Chelli achieved a major fame on stage, starring in a number of successful musical comedies such as Rugantino (1978, together with Enrico Montesano), Cyrano (1979, with Domenico Modugno), and Aggiungi un posto a tavola (1990, with Johnny Dorelli).

[1][2] She married Italian actor Walter Chiari in 1969, and together they had one son, television presenter Simone Annicchiarico (Chiari's real surname).

After their 1972 divorce, Chelli had a relationship with television presenter Pippo Baudo.