Public policy advocacy is crucial to ensure equitable access for all those seeking applied behavior analysis (ABA) services. Based on their experiences engaging in state-level public policy advocacy, the authors created a Public Policy Advocacy Actions Checklist that summarizes specific strategies they found to be successful with a variety of public policy issues relevant to ABA. Although this article focuses on advocacy efforts related to Medicaid reimbursement rates and Medicaid policies for ABA service provision, the strategies presented have also been used to advocate for coverage of telehealth ABA services, licensure for behavior analysts, and mandates for commercial insurance to cover ABA and/or autism intervention. The State of Wisconsin is used to illustrate implementation of the Public Policy Advocacy Actions Checklist, and the states of Arizona and Massachusetts are presented as additional examples of successful advocacy efforts using these strategies. This article walks behavior analysts through the process of identifying the local challenges and opportunities, developing advocacy goals, implementing an action plan, collecting data, recruiting support from the community, and influencing policy makers to implement favorable policy changes. The authors present additional resources to support new behavior analyst advocates including links to free advocacy toolkits, tips on selecting a lobbyist, recommendations for meetings with policy makers, a sample budget request, and two examples of “call to action” communications encouraging members of the community to contact their representatives regarding a specific issue. Finally, the successful advocacy outcomes and remaining opportunities for advocacy in each of these three states are discussed.