Eli Cashdan (in Hebrew יהודה (בר יוסף דב) כשד"ן, in Yiddish יודל כשדן or Yiddle) 1 June 1905 – 14 November 1998) was a rabbi in the UK.

He was a chaplain in the Royal Air Force during World War II, a senior lecturer at Jews' College and wrote a number of important books of Jewish interest.

Cashdan studied law at London University and also attended Jews' College where in 1927 he obtained a First Class Honours degree in Semitics.

In 1941 Cashdan joined the Royal Air Force and he served as senior Jewish chaplain in Middle East until he was discharged in 1946 with the rank of wing commander.

[7] Chief Rabbi Lord Jonathan Sacks wrote in the foreword to the translation, "Simple, direct, lucid and intelligible....it will allow these masterpieces of religious poetry to speak with their ageless power to a new generation".