Objective: There is a long history of anti-transgender bias in the United States, including in proposed legislation, and recently there has been a surge of anti-transgender state bills, particularly in the Southeast region. There is value in studying the way that policy discourse continues to uphold cisgender dominance and harm transgender and nonbinary populations. This study analyzes the language of proposed anti-transgender state bills in the Southeast United States from 2023 and how such discourse legitimizes and reinforces cisgender dominance. Method: Two legislation tracker tools (one transgender-specific and the other general) were used to identify relevant bills introduced in 2023 across 10 states in the Southeast. After removing duplicate or near-duplicate bills, 127 bills were identified for analysis. The language of these bills was analyzed using critical discourse analysis to identify themes. Results: Three overarching themes are identified within this policy discourse: (1) attempts to prohibit, stigmatize, and erase identities that counter cisgender normativity; (2) creation of a narrative of cisgender people as “victims” who are under attack; and (3) emerging efforts to undermine regulatory bodies. Conclusions: Anti-transgender policy frames are forwarding specific messages about gender that normalize cisgender identity and attempt to control, surveil, and punish people who veer from these norms. Social work has an opportunity to create counternarrative policy frames that challenge cisgender dominance and affirm gender diversity.