- 中文名：拉加·拉格纳尔
- 别名： Ragga Ragnars
- 身高：未知
- 体重：未知
- 地区：冰岛,雷克雅未克
- 星座：天蝎座
- 血型：未知
- 生日：1984-10-24
- 出生地：冰岛,雷克雅未克
- 职业：演员/配音
- 代表作品：维京传奇 第五季
Ragnheiður Ragnarsdóttir, also known as Ragga Ragnars is an Icelandic actress and former swimmer, who specialised in sprint freestyle events. She is a multiple-time Icelandic record holder in both long and short course freestyle. After retiring from swimming, Ragnheiður studied acting and has played the role of Gunnhild on the TV series Vikings since 2018.