The tattooed singer, known for being down-to-earth and outspoken, beat Britney and Kylie in the poll.
Pink - real name Alecia Moore - said: "Wow, this is the best compliment anyone could ever give me," she said.
"When I was young, I searched for inspiration, so I'm glad I can do the same
Sugar said people liked her for her "funky, punk image and kick-ass
One reader said: "She's such a strong person and she's done her own thing rather than copy anyone else".
The full list of inspiring women is: