Melanie Merkosky is a Canadian actress, perhaps best known for her work portraying the character Jennie in the Internet series lonelygirl15.
Merkosky has had parts on Runaway (2006-2008), Slings and Arrows (2006), and American Pie Presents: The Naked Mile (2006). In 2009, she starred as Robin Matthews on the web series Harper's Globe, which was an online companion to TV series Harper's Island.