Hallgeir Grøntvedt (born 30 December 1959) is a Norwegian politician for the Centre Party.
He served as a deputy representative to the Parliament of Norway from Sør-Trøndelag during the terms 2009 - 2013 and 2013 - 2017.
He was elected to Ørland municipal council in 1987, and has served as mayor from 1997 to 1999 and 2003 to 2015. From 2003 to 2007 he was also a member of Sør-Trøndelag county council.