Oita Broadcasting System, Inc.(株式会社大分放送,Kabushiki-Gaisha Ōita Hōsō?) or OBS is a television company based in Ōita Prefecture, Japan.
Famous radio announcer and personality Toshio Nishimura used to appear on OBS. He is well known throughout the prefecture and is often referred to by his radio nickname "Bin Bin". He is also known for his English pronunciation. His most famous is quote is "I don't say Makudonarudo, I say McDarro!"