Eric Dario Singson Sr. (born June 15, 1948) is a Filipino businessman and politician from the province of Ilocos Sur. He served Ilocos Sur's 2nd District from June 30, 1987, until June 30, 1998, and again from June 30, 2001, until June 30, 2010, and lastly from June 30, 2013, until June 30, 2019.