Jim McMahon has held his seat in Oldham West, Royton and Chadderton.
The 43-year-old received 13,232 votes, giving him a 6,000 majority.
The Labour win comes just two months after the party lost its majority of the local council in the local election.
Oldham West, Chadderton and Royton
Zaffar Iqbal – Independent: 8,256
Hannah Kitching – Liberal Democrats: 1,271
Horatio Lovering – Conservative Party: 4,066
Jim McMahon – Labour and Co-operative Party: 13,232
Raja Miah – Independent: 2,470
David Silbiger – Reform UK: 6,848
Samsuzzaman Syed – Green Party: 1,857
Tony Wilson – Independent: 573
Oldham East and Saddleworth
Debbie Abrahams – Labour Party: 14,091
Sam Al-Hamdani – Liberal Democrats: 3,386
Jacob Barden – Reform UK: 7,734
Nick Buckley – Independent: 517
Paul Boots Errock – Independent: 1,362
Tom Fish – Conservative and Unionist Party: 6,838
Fesl Reza-Khan – Green Party: 1,490
Shanaz Saddique - Workers Party: 4,647