Jónas Jónsson (known also as Jónas frá Hriflu, May 1, 1885 – July 19, 1968) was an Icelandic educator and politician, and one of the most influential people in 20th-century Icelandic culture and politics.
Initially an educator and writer of textbooks, he was chairman of the Progressive Party for ten years, and Minister of Justice from 1927 to 1932.