- Katia was the 1996 winner of the Elite Model Look competition.
- In 1997, Katia won the Playmate competition.
- She was voted model of the Year 2003 and 2004 (Greek: ÌïíôÝëï ôçò ×ñïíéÜò) by the Greek fashion industry.
- Zygouli was also one of the three finalists that ERT (Greek national broadcaster) considered as a potential co-host with Sakis Rouvas for the Eurovision Song Contest 2006 in Athens, Greece.
- In February 2010, the film "Dangerous Cooking" Katia Zygouli plays the role of writer's ideal woman, beautiful and demanding "Nana" who is an art model and she co-stars with Georges Corraface and Konstantinos Markoulakis.