Anthony Aaron Lines (born November 17, 1977) is a Canadian country musician. Active since 2001, he has recorded for RCA Nashville, BNA and On Ramp Records, and has charted three singles on the Hot Country Songs charts in the United States.
Aaron Lines' debut album, Love Changes Everything, was released in Canada in 2001 by independent record label Combustion Music. The first two singles, "Love Changes Everything" and "I Can Read Your Heart," both found success on Canadian country radio. Lines was nominated for Best New Country Artist/Group at the 2002 Juno Awards, and Best New Artist at the 2002 Canadian Country Music Association (CCMA) Awards.