Abstract: There are provided an information processing apparatus, an information processing method, an endoscope system, and a report creation support device which can efficiently input information on a treatment name. The information processing apparatus includes a first processor. The first processor acquires an image captured using an endoscope, displays the acquired image in a first region on a screen of a first display unit, detects a treatment tool from the acquired image, chooses a plurality of treatment names corresponding to the detected treatment tool, displays the plurality of chosen treatment names in a second region on the screen of the first display unit, and accepts selection of one treatment name from among the plurality of displayed treatment names.