Agapetus (, beloved) may refer to: Agapetus (caddisfly), a genus of caddisflies List of Agapetus species Agapetus (deacon) (), a deacon of the church of Hagia Sophia in Constantinople Agapetus (physician), ancient Greek doctor Pope Agapetus I (died 536) Pope Agapetus II (died 955) Agapetus of the Kiev Caves (died 1095), saint of the Eastern Orthodox Church John IX Agapetus (died 1134), Patriarch of Constantinople Agapetus, pen name of Yrjö Soini (1896–1975), Finnish journalist, novelist and playwright See also Saint Agapitus (disambiguation) Greek masculine given names