Christian of Denmark may refer to:

• Christian I of Denmark (1426–1481), King of Denmark 1448–1481, Norway 1450–1481, and Sweden 1457–1464
• Christian II of Denmark (1481–1559), King of Denmark and Norway 1513–1523
• Christian III of Denmark (1503–1559), King of Denmark 1534–1559 and Norway 1537–1559
• Christian IV of Denmark (1577–1648), King of Denmark and Norway 1588–1648
• Christian V of Denmark (1646–1699), King of Denmark and Norway 1670–1699
• Christian VI of Denmark (1699–1746), King of Denmark and Norway 1730–1746
• Christian VII of Denmark (1749–1808), King of Denmark and Norway 1766–1808
• Christian VIII of Denmark (1786–1848), King of Denmark 1839–1848 and Norway 1814
• Christian IX of Denmark (1818–1906), King of Denmark 1863–1906
• Christian X of Denmark (1870–1947), King of Denmark 1912–1947 and Iceland 1918–1944
• Christian, Prince-Elect of Denmark (1603–1647), son of Christian IV
• Prince Christian of Denmark (1675–1695), son of Christian V
• Christian, Crown Prince of Denmark (born 2005), son of Frederik X