Émile Speller (7 October 1875 – 17 January 1952) was a Luxembourgish military officer and the commander of the country's Gendarmes and Volunteers Corps ("Corps des Gendarmes et Volontaires") during the German invasion of Luxembourg in World War II. He also served as "aide-de-camp" to several members of the Grand Ducal Family throughout his career and chamberlain of the Grand Ducal court.