Yep:
(i) Playing kit
(a) On the Clothing of a Player on the field of play, the following areas shall be permitted to be used for Advertising
One single area not exceeding 250 square centimetres on the front of the shirt (see Fig 10)
(http://handbook.fapublications.com/#!/book/30/chapter/s2699-kit-and-advertising-regulations/content?section=s2702-c-sponsor-designations)