

Katie Austin is a model, certified fitness trainer, health coach, author, host and entrepreneur.
The daughter of fitness icon Denise Austin, she’s made a name for herself in the health and wellness space courtesy of the Katie Austin App, which hosts a library of hundreds of on-demand workout classes, recipes and lifestyle tips. Over the years, Austin has grown her brand to almost 2 million followers across all platforms, including her website, katieaustin.tv.
Austin first made her mark at SI Swimsuit with her 2021 Swim Search co-win alongside fellow model Christen Goff. The two also went on to share co-Rookie of the Year honors, with Austin earning the title following a magical shoot in Montenegro. Austin has returned to the magazine every year since, most recently joining the brand in Fort Myers, Fla., for the 2026 issue.
Katie Austin Latest

Inside SI Swimsuit 2026: Meet the Women Photographed in Fort Myers, Fla.
Seven models were photographed in the Sunshine State for this year’s issue, including two new faces.
SI Swimsuit Model Katie Austin Is Pregnant, Expecting Baby No. 1 With Husband Lane Armstrong
The five-time brand star is due at the end of the summer, she announced on Instagram.
Katie Austin, Jena Sims and More Best Dressed Stars From SI’s Sportsperson of the Year Awards
Check out the gorgeous group of models who attended last night’s festivities in Las Vegas.
Katie Austin’s Daring 2025 Shoot Sizzled Enough to Keep Anyone Warm Through Winter
The brand staple never fails to turn heads, and her latest shoot was the perfect example.
Metallics Are SI Swimsuit Model Approved and Ideal for Your New Year’s Eve Outfit
These SI Swimsuit models got you covered for your next stunning look.
3 Years Later, Katie Austin Repurposed This Burnt Orange Set From Her Rookie SI Swimsuit Feature in Montenegro
Austin flawlessly exhibited why bikinis are timeless items to stock up on in your wardrobe.Videos
More On Swim








