Harald Sverdrup may refer to:

• Harald Sverdrup (oceanographer) (Harald Ulrik Sverdrup, 1888–1957), Norwegian oceanographer and meteorologist
• Harald Ulrik Sverdrup (engineer) (1846–1916), Norwegian engineer
• Harald Sverdrup (writer) (Harald Ulrik Sverdrup, 1923–1992), Norwegian poet and children's writer
• Harald Ulrik Sverdrup (politician) (1813–1891), Norwegian priest and politician

• 1938–39 English National League season
• 1938–39 FC Barcelona season
• 1938–39 Football League Third Division North
• 1938–39 Football League Third Division South
• 1938–39 Gauliga
• 1938–39 Gauliga Bayern
• 1938–39 Heart of Midlothian F.C. season
• 1938–39 Hibernian F.C. season
• 1938–39 Idaho Vandals men's basketball team
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• 1938–39 Mansfield Town F.C. season
• 1938–39 Rangers F.C. season
• 1938–39 Rugby Union County Championship
• 1938–39 Sheffield Shield season
• 1938–39 SK Rapid Wien season
• 1938–39 Sussex County Football League
• 1938–39 Svenska mästerskapet (men's handball)
• 1938–39 Texas Longhorns men's basketball team
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• 1938–39 Tschammerpokal
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• 1938–39 USM Alger season
• 1938–39 Welsh Cup