Mosselhalvøya is a peninsula in Ny-Friesland at Spitsbergen, Svalbard. It is located between Mosselbukta and Sorgfjorden. At the northern part of the peninsular is the coastal plain of Verlegenhukflya, with its northernmost point Verlegenhuken.
Coordinates: 79°50′00″N 16°18′04″E / 79.83333°N 16.30111°E