Austyn Tester (born October 31, 2000) is an American social media personality who is best known for appearing in the documentary film Jawline which was released on August 23, 2019. ^{[6] [12] [9]}

Austyn Tester was born on Ocotber 31, 2000 in Kingsport, Tennessee. ^[5] He is currenlty preparing to start community college in August 2019.

Tester was filmed by director Liza Mandelup for her documentary Jawline, which premiereed on Hulu on August 23, 2019.

The film is about Tester's journey of becoming an aspiring social media celebrity via YouNow, YouTube, Instagram, and TikTok, among other social media platforms. During filming, Liz Mandelup followed him to the mall for meet-and-greets and to appearances with fellow social media up-and-comers. She shot him at home, where he shared a bed with his brother, was nagged by his mom and sister, and cuddled with the family’s litter of kittens. ^[5]

In a Vogue feature of Austyn Tester, Jawline was described as: "That’s the moral of Jawline: not everyone makes it in the influencer business." ^[5]

Tester currently has over 21,000 followers on Instagram; 4,600 on Twitter; 10,000 on TiKTok, and 1,700 on Youtube. ^[13]