| Polish Coldblood | |
| Country: | Poland |
| Height: | 148–160 cm |
| Weight: | 600–800 kg |
The Polish Coldblood (pl|Polski koń zimnokrwisty) is a modern Polish breed of draught horse of medium to heavy weight. It was formed in 1964 when the various regional draught breeds or types were merged into a single stud-book. Those local types derived from cross-breeding of local mares with imported stallions of heavy draught breeds, principally of Ardennais, Belgian Draught and Swedish Ardennes stock.
In the twenty-first century the horses are used for tractive power and are reared for horsemeat, particularly for the Italian market.
In 1964 the various regional draught breeds of Poland were merged into a single stud-book, the Polish: Księga Stadna Koni Zimnokrwistych I Pogrubionych. Among these were the Garwolin, the Kopczyk Podlaski, the Koszalin, the Lidzbark, the Łowicz-Sochaczewski, the Sokółka and the Sztumski.
In 2024 the total number of the horses was some head, substantially lower than in 2002, when it was almost . The registered breeding stock consisted of approximately brood-mares and stallions. In 2024 the conservation status of the breed was "not at risk".
A separate stud-book was established in 2013 for the Arden or Polish Ardennes, bred at the stud-farms of Bielin in the West Pomeranian Voivodeship and Nowe Jankowice in the Kuyavian-Pomeranian Voivodeship. It derives from Ardennais and Swedish Ardennes stock imported since the later nineteenth century and is bred principally as a harness horse.
The Polish Coldblood is a heavy horse, with weights usually in the range, though some can weigh more than . The height at the withers usually falls between .
The regional draught breeds of Poland were used principally for tractive power in agriculture. In the twenty-first century the horses are commonly reared for horsemeat, particularly for the Italian market.