Catie Osborn, known by the username Catieosaurus, is an American TikToker, actor, podcaster, sex educator, adult performer, and mental health and disability advocate, based in Atlanta, Georgia.

Since joining TikTok in November 2020, she has acquired over one million followers[5][6][7] Her social media presence also includes Twitter, YouTube, Twitch, and OnlyFans.

After having her left ovary removed due to an ovarian torsion, she experienced a hormonal imbalance that exacerbated her latent ADHD, severely impacting her memory and focus.

Osborn initially believed she was experiencing early onset dementia until a friend with ADHD suggested she might have the disorder, prompting her to seek an evaluation.

[4][27] She also suffered from bulimia from the age of 15 until beginning therapy in her 30s, and has suggested that her ADHD symptoms of executive dysfunction and emotional dysregulation contributed to her disordered eating.