Judith Katrijntje "Trijntje" Oosterhuis (Dutch pronunciation: ['jyd?t (ka?)'tr?i?c? '?o?st?r?œys]; born 5 February 1973) is a Dutch singer and songwriter.
She formed the band Total Touch in 1990 with her brother Tjeerd Oosterhuis before she started as a solo singer.
She represented the Netherlands in the Eurovision Song Contest 2015 with the song "Walk Along", placing fourteen in the first semi-final with 33 points and winning the Barbara Dex Award of the year.