Philip "Phil" DeFranco, also known as PhillyD or by one of his YouTube usernames "sxephil", is an American video blogger on YouTube, and a YouTube celebrity. His videos are centered around current events, politics and celebrity gossip in which he gives his opinion, usually presented ironically and with frequent jump cuts to create a fast-paced feel. He has over 1.5 million subscribers, and is the 11th most subscribed YouTuber of all time, as of February 2011. His second YouTube channel is called "PhilipDeFranco" and makes daily vlogs which he calls the "vloggity".

DeFranco started his YouTube channel in 2006, his videos regularly surpass one million views. His large audience led to his winning of a Spore Creature Creator contest and Wired's Sexiest Geek of 2008 award, both open access online polls.