Abdominal compartment syndrome is a serious and life-threatening condition that requires early recognition and urgent decompressive laparotomy. This case report describes an abdominal compartment syndrome due to a distended rectal stump. The patient had a previous sigmoid resection with colostomy performed for sigmoid volvulus. As far as we know, this is the first report of abdominal compartment syndrome due to rectal stump. In such cases, high index of suspicion and early intervention affect the clinical course.