The Big Yiddish-Yiddish Dictionary (uncompleted)
Yiddish-English, English-Yiddish dictionary by A. Weinreich
Yiddish-English, English-Yiddish online dictionary
Yiddish-English, English-Yiddish dictionary with multiple search options
Yiddish-English online dictionary
Yiddish-Hebrew dictionary by M. Tzanin
Hebrew-Yiddish dictionary by M. Tzanin (1) (2)
Yiddish-Hebrew, Hebrew-Yiddish online dictionary
Yiddish-Russian dictionaries (1) (2) (3) (4) (5)