Prince Karl Anton August of Schleswig-Holstein-Sonderburg-Beck
| Prince Karl Anton August | |
|---|---|
| Born | 10 August 1727 Marburg, Hesse-Darmstadt  | 
| Died | 12 September 1759 (aged 32) Stettin, Pomerania, Prussia  | 
| Spouse | Countess Charlotte of Dohna-Schlodien | 
| Issue | Friedrich Karl Ludwig, Duke of Schleswig-Holstein-Sonderburg-Beck | 
| House | Schleswig-Holstein-Sonderburg-Beck | 
| Father | Peter August, Duke of Schleswig-Holstein-Sonderburg-Beck | 
| Mother | Sophie of Hesse-Philippsthal | 
Prince Karl Anton August of Schleswig-Holstein-Sonderburg-Beck (10 August 1727, in Marburg – 12 September 1759, in Stettin) was the son of Peter August, Duke of Schleswig-Holstein-Sonderburg-Beck and Princess Sophie of Hesse-Philippsthal.