Marie-Laure de Decker (French: [maʁi loʁ də dɛkɛʁ]; 2 August 1947 – 15 July 2023) was a French photographer. She was recognised for her war photography, including her coverage of the Vietnam War. She also covered conflicts in countries such as Yemen, Chad, and South Africa. Besides war photography, de Decker was a highly regarded portrait photographer, known for her depictions of prominent French figures.