Carl Frederik Wandel (15 August 1843 – 21 April 1930) was a Danish naval officer and polar explorer.

In 1864, Wandel served in the schooner HDMS Absalon in the Baltic Sea and in 1865–67 he took part in a French expedition to Mexico.

In 1876-78 he was put in charge of the mail ship to Iceland and in 1880 he participated in a US oceanographic survey expedition.

In 1890 Wandel was appointed chairman of the commission for the survey of Danish waters and in 1895 chairman of the commission for geological and geographical studies in Greenland.

In 1914–27 he was the president of the Royal Danish Geographical Society.