Hjalmar Frisk (4 August 1900, Gothenburg – 1 August 1984, Gothenburg) was a Swedish linguist in Indo-European studies and rector of Göteborg University 1951–1966.
His most noted work was the three-volume Griechisches etymologisches Wörterbuch (Greek Etymological Dictionary) written in years 1954–1972 and published in Heidelberg.
In 1968, he became a member of the Royal Swedish Academy of Sciences.