Erik Gunnar Ernfrid Rydberg (29 October 1896 – 3 December 1976) was a Swedish pole vaulter who comepted at the 1920 Summer Olympics.

[3] At the 1920 Olympic Games, Rydberg competed in the pole vault event and finished fifth.

[1][4] Rydberg was the national champion in 1920, 1922 and 1924, and set a national record at 3.90 m in 1922.

[5] Rydberg won the British AAA Championships title in the pole jump event at the 1921 AAA Championships.

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