Sinéad Lynch (born 30 September 1976; née Jennings; in Letterkenny, County Donegal) is an Irish rower. She is a member of St Michael's Rowing Club. In August 2015 she was a member of the lightweight women's double scull which qualified the boat for the Rio Olympics. Lynch and her rowing partner Claire Lambe reached the finals at the Women's lightweight double sculls, but did not win a medal.