| Klas Horn | |
|---|---|
| Born | 1517 Halikko, Sweden (now Finland) |
| Died | September 9, 1566 (aged 48–49) Vadstena, Östergötland County |
| Buried at | Uppsala Cathedral |
| Allegiance |
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| Service/branch |
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| Rank | Admiral |
| Battles/wars | |
Baron Klas Kristersson Horn (1517 – September 9, 1566) was a Finnish-born Swedish nobleman and naval admiral who fought for Sweden in the Northern Seven Years War of 1563–1570. He was the son of Krister Klasson Horn (d.1520). He won a number of battles against Danish naval forces under Herluf Trolle and the Free City of Lübeck. He died shortly after being called to command Swedish land forces.