Jóhan Troest Davidsen (born 31 January 1988) is a Faroese footballer who plays as a centre back for NSÍ Runavík.

Davidsen started his career with NSÍ Runavík in the Faroe Islands, in 2004 he signed a trainee contract with Premier League club Everton and was part of U19 squad.

In 2006, Jóhan Troest Davidsen went to NSÍ Runavík where he played half a season.

The other half of the season Davidsen played for Skála ÍF, after which he returned to NSÍ.

This biographical article relating to Faroese association football is a stub.