Disclosed is a hemostatic agent applicator capable of effectively placing a fluid hemostatic agent on an incision surface. The present invention is a hemostatic agent applicator for use in disposing a fluid hemostatic agent, including a tool body in which a hollow part surrounded by a wall part is formed and which includes an open end part on a downstream side of the wall part, and an inlet provided to a portion of the wall part of the tool body to communicate with the hollow part. This hemostatic agent applicator is useful in medical settings relating to surgical procedures, particularly for surface bleeding of a liver and internal organ surgery such as a spleen and fibroid enucleation. An applicator further reduced in size can be applied not only in abdominal surgery, but in endoscopic surgery as well.