Heidi Greni (born 3 July 1962) is a Norwegian politician for the Centre Party.

She served as a deputy representative to the Parliament of Norway from Sør-Trøndelag during the term 2009–2013. In March 2011, when regular representative Ola Borten Moe joined the cabinet, Greni became a full representative. She joined the Standing Committee on Local Government and Public Administration.^[1]

She hails from Ålen, and in the 2011 Norwegian local elections she was elected as mayor of Holtålen as the first non-Labour mayor in 104 years.