The 24-year-old Yamatji woman, who is studying to be a teacher, was crowned during the gala ceremony on Saturday night.
Ms Ronan said she was honoured to win the title of Miss Naidoc Perth.
“To be crowned Miss Naidoc Perth is a triumph within myself,” she said.
Get in front of tomorrow's news for FREE
Journalism for the curious Australian across politics, business, culture and opinion.
READ NOW“Now that I’ve been put on this platform, I can be heard and issues in the community can be spoken about and addressed.”
Brabham resident Simone Narkle was named runner-up and said she felt shocked and blessed.
“I’m blessed to have this opportunity. Win or lose, we are all winners,” she said.
“It’s not about winning, it’s about getting confidence, leadership and empowerment.”
Founder and chairwoman Glenda Kickett said she was impressed by this year’s participants.
“Miss Naidoc Perth 2017 has been, for me, a really inspiring year because the young women have all come with their own personal stories and shared those stories with us,” she said.
“I’ve seen how the program has been empowering for them; it has been an amazing journey for them and us.”
MORE: Police after man who broke into home, entered 8-year-old’s bedroom
MORE: City of Subiaco issues ultimatum to City of Perth over outstanding debt