Avdonin (Russian: Авдонин; masculine) or Adonina (Russian: Авдонина; feminine) is a Russian last name. Variants of this last name include Avdokhin/Avdokhina (Авдохин/Авдохина), Avdoshin/Avdoshina (Авдошин/Авдошина), Avdyunin/Avdyunina (Авдюнин/Авдюнина), and Avdyushin/Avdyushina (Авдюшин/Авдюшина).
They all derive from the Russian given names Avdey (or its rare form Avdon) (male)—meaning servant, servile—and Yevdokiya (or its form Avdotya) (female)—meaning benevolence, acceptance, goodwill.
References
Avdonin Wikipedia(Text) CC BY-SA