To provide an image recognition device which eliminates the necessity of managing a database for recognition even in the case of a number of objects to be recognized.The image recognition device includes: an image input unit (201) obtaining an input image corresponding to a target image to be recognized; a similar image search unit (202) searching out at least one similar image similar to the target image obtained by the image input unit from among images generated independently of the image recognition device, stored in a server device accessible via the Internet, and unintentionally obtained; a keyword extraction unit (203) extracting a plurality of keywords corresponding to candidates for a recognition result of the target image, from attached information attached to at least one similar image searched out by the similar image search unit; a keyword analysis unit (204) determining at least one likely keyword likely to be the recognition result of the target image from among the plurality of keywords extracted by the keyword extraction unit by analyzing the plurality of keywords; and a presentation unit (205) outputting at least one likely keyword determined by the keyword analysis unit, as the recognition result of the target image.