Monday October 14, the date mooted for a snap general election, would cause problems for many Jews as it clashes with the first day of Succot.
Religiously observant Jews would be unable to go to the polls that day, forcing them to apply for postal or proxy votes.
The Board of Deputies said it had been in touch with the Government to express its "concerns and difficulties that our community would face", its vice president Amanda Bowman said.
She said: "If a General Election were to be held on Monday October 14 this would coincide with the festival of Succot.