Sigurdur Helgason

Sigurdur Helgason may refer to:


 * Sigurdur Helgason (airline executive) (1921–2009), innovator in low-cost airlines
 * Sigurður Helgason (mathematician) (1927-2023), Icelandic mathematician
 * Sigurður Helgason (basketball) (born 1940), Icelandic basketball player and coach