Ágúst () or Agust is a given name. Notable people with the name include:
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Ágúst Björgvinsson (born 1979), Icelandic basketball coach
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Ágúst Þór Jóhannsson (born 1977), Icelandic team handball player and coach
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Ágúst Ævar Gunnarsson, (born 1976), founding member of the Icelandic post-rock band ''Sigur Rós''
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Ágúst Guðmundsson
Ágúst Guðmundsson (born 29 June 1947) is an Icelandic film director and screenwriter.
He studied French, Icelandic in Reykjavík and filmmaking at the National Film School in London. He has made many popular Icelandic films that have also bee ...
(born 1947), Icelandic filmmaker
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Ágúst Gylfason (born 1971), Icelandic footballer, currently playing for Fjölnir
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Ágúst H. Bjarnason (1875–1952), pioneer in teaching psychology in Iceland
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Daníel Ágúst Haraldsson (born 1969), Icelandic singer-songwriter, lead-singer of the bands ''GusGus'' and Esja, formerly of the band ''Ný Dönsk''
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Ágúst Pálsson (1893–1967), Icelandic architect
{{DEFAULTSORT:Agust
Icelandic masculine given names