Don Valley East (French: Don Valley-Est) is a federal electoral district in Ontario, Canada that covers the northeast section of the North York part of Toronto. The federal riding was created in 1976 from parts of Willowdale, York East, York North, and York—Scarborough ridings.

It is represented in the House of Commons of Canada by Liberal Yasmin Ratansi.

This riding is located in the eastern part of the North York district in Toronto. It contains the neighbourhoods of Flemingdon Park, Don Mills, Graydon Hall, Parkwoods and Victoria Village.

For most of its existence, this riding has alternated between voting Liberal and Conservative. During the Brian Mulroney years, it elected Progressive Conservatives but it switched to Liberal when Jean Chrétien came to power. In 2011, when Stephen Harper's Conservative Party won a majority government, the riding switched back to Conservative.

Don Valley East was one of the seven federal ridings for which the election results were being challenged in court because of automated phone calls ("robocalls") that voters say tried to misdirect them to wrong polling stations. According to the challenger's claims, phone calls claiming to be on behalf of Elections Canada directed some voters to the wrong polling station during the election. It is illegal under the Elections Act to impersonate Elections Canada and to interfere with somebody's right to vote.

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