Arnold L. "Arnie" Roblan (born April 8, 1948) is a former educator and a Democratic politician in the U.S. state of Oregon. He has served in the Oregon House of Representatives representing District 9, which spans the southern Oregon Coast, since 2005. He also served as co-speaker of the House for the 2011–2012 session along with Republican Bruce Hanna. He is currently a member of the Oregon State Senate, representing district 5.