| Office: | Ambassador of Sweden to the Soviet Union |
| Term Start: | 1975 |
| Term End: | 1979 |
| Office1: | Ambassador of Sweden to Mongolia |
| Term Start1: | 1975 |
| Term End1: | 1979 |
| Office2: | Ambassador of Sweden to Finland |
| Term Start2: | 1971 |
| Term End2: | 1975 |
| Birth Name: | Per Göran Gustaf Ryding |
| Birth Date: | 17 September 1916 |
| Death Place: | Stockholm, Sweden |
Per Göran Gustaf Ryding (17 September 1916 – 12 February 2007) was a Swedish diplomat. He was the ambassador of Sweden to Finland between 1971 and 1975 and to the Soviet Union and Mongolia between 1975 and 1979.
Ryding was born in 1916. He joined the Ministry of Foreign Affairs in 1939. He worked as an attaché at the Swedish Embassy in Rome from 1940 and 1942 and at the Swedish Embassy in London from 1945 to 1948. Then he was named as the first secretary of the Swedish mission at the Organization for European Economic Cooperation in Paris in 1954 and was made the head of the mission in 1955 which he held until 1956. He was the councilor of the Swedish Embassy in Moscow between 1958 and 1961.[1]
Ryding served as the deputy state secretary for foreign affairs from 1967 to 1971. He was appointed ambassador of Sweden to Finland in 1971 which he held until 1975. Next he was appointed ambassador of Sweden to the Soviet Union in 1975 and remained in office until 1979.[2] During his tenure he was also Sweden's ambassador to Mongolia.[2]
Ryding was married to Cecilia Wersäll.[3] He died in Stockholm in March 2007.[4]