Hjalti is an Icelandic masculine given name.

Notable people with the name Hjalti include: Hjalti Árnason (born 1963), Icelandic former strongman competitor and world champion powerlifter Hjalti Einarsson (born 1938), Icelandic handball player Hjalti Guðmundsson (born 1978), Icelandic swimmer Hjalti Skeggiason, Icelandic explorer Hjalti Þórðarson, Viking chief of 9th century Iceland

See also Hjalte