Österman is a Swedish-language surname.
==Geographical distribution== As of 2014, 56.5% of all known bearers of the surname Österman were residents of Sweden (frequency 1:8,310), 39.9% of Finland (1:6,567) and 2.4% of Estonia (1:26,433).
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).