Yngvar Sigurd Heikel (19 April 1889 – 1 September 1956) was a Finland-Swedish ethnologist.

Heikel sampled and categorized each village's form of folk costume.

[2] His work was also the main initiator of the founding of the Brage Costume Museum.

He participated in the founding of the Finland Swedish Folk Dance Association and was its president from 1946 to 1955.

He contributed to the collection Finlands svenska folkdiktning [sv] (volume VI:B "Dansbeskrivningar", 1938) and his work På forskningsresor i svenskbygden was published in 1986 with an introduction and commentary by Bo Lönnqvist [sv].