The MSN Entertainment poll of more than 3,000 people found 42 percent of respondents tabbed Harry as the "coolest" among all young royals, beating out his cousin Zara Phillips and his brother Prince William, The Telegraph on Sunday reported.
Phillips earned 35 percent of respondents' support, while William finished a distant third with 15 percent.
When asked what prompted their support of Harry, some respondents cited his military service in Afghanistan, while others mentioned his charitable work.
Harry and his girlfriend, Chelsy Davy, also were named the royal couple most respondents would want to be entertained by for a night. The royal couple earned 35 percent of respondents' votes while 33 percent of respondents supported Phillips and her boyfriend, rugby player Mike Tindall.
The Telegraph said Prince William and his love interest, Kate Middleton, came in third in the poll, whose margin or error was not reported, with 28 percent.