National Route 209
国道209号
Route information
Length	35.5 km[1] (22.1 mi)
Location
Country	Japan
Highway system
National highways of Japan Expressways of Japan
← National Route 208 → National Route 210

National Route 209 is a national highway of Japan connecting Ōmuta, Fukuoka and Kurume, Fukuoka in Japan, with a total length of 35.5 km (22.06 mi).