Sigurður "Siggi" Ragnar Eyjólfsson (born 1 December 1973) is an Icelandic football manager and former player who played as a striker.

In August 2013, Sigurður resigned as coach of Iceland's women's team after seven years.

[1] In January 2017, Sigurður joined Chinese side Jiangsu Suning as head coach of their women's team.

[2] He was then appointed as the coach of the China women's national football team in November.

[3] This biographical article related to association football in Iceland is a stub.