Thingvalla Township is a township in Pembina County, North Dakota, United States. The 2000 census reported a population of 121, and an estimated population of 103 as of 2009. President Ólafur Grímsson of Iceland visited the area in 1999 to dedicate a monument to poet K. N. Julius at Thingvalla Church, and Prime Minister Geir Haarde visited in 2007 to dedicate a memorial to the church, which burned to the ground in 2003.