Cosmas Onyia is a Family Law Attorney

Cosmas Onyia is an attorney licensed to practice law in the State of Arizona, Washington and the United States District Court, District of Arizona. Mr. Onyia graduated and received his Juris Doctor from The University of Idaho Law School. He is a member of the American Bar Association and American Association for Justice (Association of Trial Lawyers of America). Mr. Onyia has been practicing law in Arizona since 1994. His primary area of practice is in family and divorce matters.





COSMAS ONYIA, P.C. is a law firm dedicated to working with clients in finding timely and cost-effective solutions to legal disputes through litigation or alternative dispute resolution strategies. Call today for more information!


602.265.5200

Located in the Security Title Plaza Tower
3636 N. Central Ave. - Suite 800, Phoenix, AZ   85012