Pehr Gustaf Victor Gyllenhammar (23 April 1901 – 22 November 1988) was a Swedish insurance company executive.
He completed a law degree from Stockholm University in 1925, and became CEO of the insurance company Svenska Skeppshypotekskassan (the Swedish Ships' Mortgage Bank) in 1938.
He was later CEO of the Swedish insurance company Skandia until 1970, when he was succeeded by his son, Pehr G.