Obama, who likewise held the title each time of his administration and the year he was chosen, beat out president Donald Trump this year, 17% to 14%.
While Obama tops the Most Admired Men list, Hillary Clinton has topped the Most Admired Woman list.
Overall, she has held the title 22 times, more than any other woman-or man, for that matter. Former first lady Michelle Obama came in second with 7% of respondents, and the third place finisher at 4% support was Oprah Winfrey.
Gallup said the poll of 1,049 adults was conducted between December 4-11 and has a margin of error of plus or minus four percentage points.
"Gallup has asked the most admired man question 71 times since 1946 - all but in 1976", the organization said.
Gallup, however, offered that Clinton's time at the top of the "most admired" list may be running out. Former first lady Eleanor Roosevelt received the second highest number of wins with 13 nominations.
Situational awareness: "President Trump's legal team plans to cast former national security adviser Michael T. Flynn as a liar seeking to protect himself if he accuses the president or his senior aides of any wrongdoing", three people familiar tell WashPost's Carol Leonnig.
Others receiving votes as most admired man this year include Pope Francis, Billy Graham, John McCain, Elon Musk, Jeff Bezos, and the Dalai Lama.
"Clinton's and Obama's standings this year are more tenuous than in the past", Gallup reported. "She managed to win this year because she remains arguably more prominent than other contenders".