The Oste-Hamme Canal or Hamme-Oste Canal is a canal in north Germany, that links the rivers Oste and Hamme. It runs from the Oste near four kilometres above Bremervörde through the former Teufelsmoor ("Devil's Moor") and Gnarrenburg, until it reaches the Hamme near . The part of the canal near its mouth into the Hamme is also known as Kollbeck.