The case report describes the successful surgical treatment of an incarcerated hiatal hernia in a 3.5-year-old cat. The animal was presented due to a bad general condition and massive vomiting. Based on clinical examination and diagnostic imaging, laparotomy was performed, revealing a hiatal herniation of the stomach. After reposition and gastropexy, the cat recovered well. She was unremarkable on clinical and radiological follow-up examinations and remained free of gastrointestinal symptoms according to the owner's statement 6 months postoperatively. This case report shows that the described surgical technique is promising in cats with hiatal hernia.