Alexandros Pertsinidis (born 14 February 1963), known professionally as Alex Perry, is an Australian fashion designer and television presenter, known for his womenswear. His designs have been worn by women including Crown Princess Mary, Jennifer Lopez, Kim Kardashian, Gigi Hadid, Kylie Jenner, Sandra Bullock, Giuliana Rancic and Montana Cox.

Alex Perry designs have featured on front covers of such publications as Vogue Australia, Harper's Bazaar Australia, Marie Claire, InStyle and Good Weekend.He is sitting pretty at the moment. In Australia, he's the darling of the red carpet and his celebrity following is growing rapidly. He designs three collections a year, as well as maintaining a thriving custom and bridal department. His international business has overtaken his local business, and he will add a fourth collection from January 2017 to keep up with global buying schedules and increasing demand.

Perry was born Alexandros Pertsinidis and grew up in a migrant, working-class family in Sydney. His father is a Greek immigrant and his mother was born in Australia of Greek immigrant parents.In 1992, Perry launched his brand from a studio in suburban Kensington, creating gowns, corsets and sheaths. Perry's gowns were quickly acclaimed. Vogue Australia was the first to feature his jewelled corsets and glamorous sheaths in their main fashion shoot. This was Alex's first editorial shoot, and the gowns photographed soon became his signature style. Alex Perry gowns have since ongoingly featured on the covers of Vogue, Harpers Bazaar, Marie Claire, InStyle Australia, Madison and Grazia Australia.

Perry relocated his studio in 1994 to Double Bay, Sydney, where he built up his clientele to include high-profile celebrities, social identities and personalities. He was a designer at the inaugural Mercedes Australian Fashion Week held in May 1995, and has shown collections each year. 

Perry launched his first "ready-to-wear" collection in 1998. In May 2002, Perry opened his Sydney boutique at The Strand Arcade. The Alex Perry "ready-to-wear" collection represented a new generation of evening wear which launched globally in 2013. Perry is known for his gowns, making him much in demand for red carpet and event dressing. Perry's statement dresses, often with intricate details, have led to an ever- increasing local and international client list.

In addition Alex Perry is an in-demand media personality. He is the longest serving cast member on Australia's Next Top Model having appeared as a judge for ten seasons and also as a judge on Asia's Next Top Model and being the host of The Real Housewives of Melbourne Reunion.