The present application provides an article supply device capable of coping with the category of articles. An article supply device (1) capable of supplying articles (P1) of a first category and articles (P2) of a second category is provided with: a main body (2); a storage portion (10, 20) that stores articles; a supply portion (30, 35) that supplies the articles (P1, P2) stored in the storage portion (10, 20); a lock portion (38) that makes it impossible for the articles (P1, P2) to be supplied from the supply portion (30, 35); and a detection portion (first article detection portion 40a, second article detection portion 40b) that can detect the presence or absence of the articles (P1) in the storage portion (10) and the presence or absence of the articles (P2) in the storage portion (20), and that sets the lock portion (38) to a locked state on condition that the detection portion detects that there are no articles (P1, P2).