Sonni Ragnar Nattestad (born 5 August 1994) is a Faroese professional footballer who plays as a centre-back for 07 Vestur and the Faroe Islands national team.

[2][3] On 12 December 2016, Nattestad signed for Norwegian Eliteserien club Molde FK.

[7] He made his competitive debut for the club on 12 March 2021 in the 2021 President's Cup against league champions Shamrock Rovers at Tallaght Stadium.

The game was an eventful one for Nattestad as he opened the scoring in the 42nd minute with a header from a Patrick McEleney corner, before being sent-off in the 59th minute for a tackle on Graham Burke as his side went on to draw 1–1 before winning the trophy on penalties.

[8] On 2 January 2022, Nattestad signed a contract with Norwegian Eliteserien club FK Jerv.