Ragnhildur Steinunn Jónsdóttir (born 29 April 1981)^[1] is an Icelandic actress and television presenter who is the assistant director of RÚV, the Icelandic national broadcaster. She is a former Miss Iceland.

Ragnhildur was born Keflavík where she lived most of her youth, excluding four years the family spent in Denmark.^[2] Her father is Jón Þór Harðarson, a mechanical engineer. Her mother, Ragnhildur Steinunn Maríusdóttir, died when she was seven years old.^[1] In the 1990s Ragnhildur was a gymnast; she won a bronze medal in the national championships in 1998 and was named to the national team.^[3] She completed an undergraduate degree in physiotherapy at the University of Iceland.

In 2003, she won Miss Iceland.^[4]

Ragnhildur began working for RÚV in 2004,^[5] with Ópið, a programme for teenagers, and was later a journalist and co-host on the primetime news/talk show Kastljós,^[6][7] and host of Dans dans dans, the Icelandic version of the American TV show So You Think You Can Dance.^[5][8] She has also hosted documentaries and worked as a scriptwriter, editor, and programme developer for RÚV,^[7] and in January 2018 she was named to a newly created post as assistant director of the company.^[5][7]

She hosted Söngvakeppni Sjónvarpsins 2007, the contest to decide Iceland's representation at the Eurovision Song Contest 2007,^[9] and many subsequent versions of the show, and is on the board of the Icelandic organisation with primary responsibility for organising the show,^[5] and is the spokesperson for Iceland at the Eurovision Song Contest.^[10]

In 2017, with Edda Hermannsdóttir, she published a book of interviews on gender equality, Forystuþjóð.^[11]

In 2018 Ragnhildur married the footballer Haukur Ingi Guðnason, her partner since 1996;^[12] they have four children.^[13]