Gustaaf Stephanus Modestus "Guus" Meeuwis (born 23 March 1972) is a Dutch singer-songwriter. As part of the band Vagant, he scored several hits in the Netherlands and Flanders during the 1990s and first decade of the 2000s. On 24 May 2015, Meeuwis became the first Dutch language performing artist ever to play a fully booked concert at London's Royal Albert Hall.