We tested the feasibility and acceptability of a group therapy treatment that addresses the intersecting stigma-related stressors theorized to drive elevated mental health risk, sexual health risk, and their co-occurrence among Black and Latino gay, bisexual, and other men who have sex with men (GBM). First, we modified an existing 10-week, one-on-one, cognitive-behavioral treatment addressing co-occurring health risks among GBM to develop a group-based, intersectionally informed treatment for GBM of color. Then, an open pilot was conducted (n = 21, across two cohorts) with young Black and Latino GBM. An evaluation of feasibility metrics (e.g., eligibility-enrollment ratio, session attendance, rate of retention) supported overall treatment feasibility. Qualitative data suggest high acceptability of the treatment length, format, and content-and revealed a powerful theme: The treatment and group composition led participants to feel less alone as GBM of color. To further evaluate acceptability, baseline and 3-month posttreatment assessments and exit interviews were used to examine the treatment's impact on stigma coping, mental health, and sexual health. Expected changes were found for: (a) stigma coping, as demonstrated by decreases in perceived sexual minority stress, racial minority stress, and intersectional stress; (b) mental health, including depression, anxiety, stress, and suicidality, but not alcohol use; and (c) sexual health, including condom use efficacy, sexual compulsivity, and preexposure prophylaxis uptake; with partial support for decreased in human immunodeficiency virus; HIV-transmission risk acts. This study lays the groundwork for a group treatment to address intersectional stigma, mental health, and HIV risk among young Black and Latino GBM in the U.S. (PsycInfo Database Record (c) 2022 APA, all rights reserved).