Ingrid Hadler

Ingrid Hadler (born Ingrid Thoresen, 12 February 1946) is a Norwegian orienteering competitor. She won the 1970 Individual World Orienteering Championships in Eisenach, and received a silver medal in Linköping in 1968. World champion Relay 1968, silver medal 1974, and bronze medal 1966 and 1970.

She is co-author of the book På tvers av stiene (1970) with her husband Åge Hadler.