Nyberg (28 December 1889 – 9 February 1974) was a Swedish scholar of broad interest and a well known expert of Iranology and Arab studies.

Nyberg set up the Middle Persian curriculum as a possible subject of study at the University of Uppsala and he felt the need for teaching it by meeting Western scholarly standards.

Overall, Nyberg was a scholar of extremely broad interests, competent in a number of different fields, both in Semitic and Iranian studies.

[3] Nyberg had many distinguished students in Iranian Studies, among them Geo Widengren, Stig Wikander, Sven S. Hartman, and Bo Utas.

His daughters were the language scholar (Icelandic) and translator Ingegerd Fries and journalist, travel author and Orientalist Sigrid Kahle.