List of Famous people named Valdemar

Valdemar Costa Neto is a Brazilian politician. He is a congressman for the Liberal Party (PL).

Valdemar Poulsen was a Danish engineer who made significant contributions to early radio technology. He developed a magnetic wire recorder called the telegraphone in 1898 and the first continuous wave radio transmitter, the Poulsen arc transmitter, in 1903, which was used in some of the first broadcasting stations until the early 1920s.

Valdemar IV Atterdag, or Waldemar (1320 – 24 October 1375 was King of Denmark from 1340 to 1375. He is mostly known for his reunion of Denmark after the bankruptcy and mortgaging of the country to finance wars under previous rulers.

Valdemar Christian of Schleswig-Holstein was the son of king Christian IV of Denmark and his morganatic spouse Kirsten Munk. He had the title Count of Schleswig-Holstein.

Valdemar I, also known as Valdemar the Great, was King of Denmark from 1154 until his death in 1182. The reign of King Valdemar I saw the rise of Denmark, which reached its zenith under his second son, and successor, King Valdemar II of Denmark.

Valdemar the Young was King of Denmark from 1218 until his death.

Valdemar III (1314–1364) was King of Denmark from 1326 to 1329, while he was underage; he was also Duke of Schleswig as Valdemar V in 1325–26 and from 1330 to 1364. He was a rival king set up against the unsuccessful Christopher II and was widely opposed by his subjects. His term was ended when he abdicated. Sometimes the earlier King Valdemar the Young (c. 1209–1231) is also referred as Valdemar III.

Valdemar IV Eriksøn was Duke of Schleswig from 1283 until his death in 1312. He was the eldest son of Duke Eric I of Schleswig and Margaret of Rugia.

Valdemar III Abelsøn was Duke of Schleswig from 1253 until his death in 1257. He was the eldest son of King Abel of Denmark, Duke of Schleswig and Matilda of Holstein.

Valdemar Einar Psilander was a Danish silent film actor, who was the highest-paid performer of his period and received critical acclaim as the greatest male lead during the golden era of Danish cinema.