Monica A. Dionisio is an experienced trial attorney who limits her practice to family law and domestic relations.

Ms. Dionisio prides herself in her compassionate but straightforward approach with clients and her exercise of rigorous litigation skills while still maintaining high standards of professionalism.

In her spare time Ms. Dionisio spending time with her family, traveling and outdoor adventure.

Details & Accolades


  • University of Oklahoma, B.A. in journalism, 2009
  • University of Oklahoma, College of Law, J.D., 2012


  • Oklahoma Bar Association, 2012

Professional Organizations & Memberships

  • Oklahoma County Bar Association
  • Oklahoma Bar Association
  • Oklahoma Bar Association Family Law Section
    • Chair, 2021
    • Continuing Legal Education Chair, 2020
    • Awards and Nominations Chair, 2016-2019
    • Secretary, 2013-2018
  • Blessed Stanley Rother Shrine, Inc. Board of Directors
    • Vice President, 2020

Awards & Recognition

  • Listed as AV (Preeminent) by Martindale Hubbell
  • Listed in Best Lawyers in America
  • Oklahoma Bar Association Family Law Section Chair Award, 2015, 2017 and 2020
  • Oklahoma Bar Association Family Law Section Outstanding Family Law Student, 2011

Practice Areas

  • Divorce
  • Prenuptial Agreements
  • Business Valuations
  • Alimony/Spousal Support
  • Child Custody & Visitation
  • Child Support
  • Post-Divorce Enforcement
  • Post-Divorce Modification
  • Legal Separation
  • Parenting Coordinator Services
  • Mediation
  • Non-Traditional Families
  • Paternity/Parentage
  • Property Division
  • Temporary Support


  • "Guardianship of Minors: A Summary of Title 10 and Title 30 Guardianships," Oklahoma Bar Journal, August 2020
  • "Support of a Disabled Adult Child," Oklahoma Bar Journal, Co-Author, February 2020
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10804 Quail Plaza Dr, Ste 600
Oklahoma City, OK 73120


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