Frederick I of Lorraine, Count of Vaudémont

Frederick I, or Ferry I of Lorraine (9 January 1369 – 25 October 1415) was a Count of Vaudémont.

Frederick was the son of Duke John I of Lorraine (1346-1390) and Sophie of Württemberg (1343-1369). He was a younger brother of Charles II. In 1394, Frederick married Margaret, the heiress of Vaudémont and Joinville, and became Count of these lands in her right. He fought at the battle of Agincourt and was killed 25 October 1415.

His children were: Antoine, who succeeded as Count of Vaudémont, Elisabeth, who married Philipp I of Nassau-Weilburg, Frederic, Lord of Rumigny, Charles, Lord of Bovines, and John, Lord of Fleurines