Lodewijk Karel "Loki" Bruckman (Dutch pronunciation: ['lo?d????ik 'ka?r?l 'lo?ki 'br?km?n]; 14 August 1903 – 24 April 1995) was a Dutch magic realist painter.
He lived and worked in the Netherlands, the United States, and Mexico.
Museum de Oude Wolden in the village of Bellingwolde has a permanent exhibition of his paintings.