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Introduction Little is known about the burden of sexually transmitted infections (STIs) among adolescent girls and young women (AGYW) employed as domestic workers in Ugandan households.Methods We conducted a community-based cross-sectional study from November 2023 to March 2024 to determine the prevalence and correlates of STIs among Ugandan AGYW aged 14–24 in the Kampala Metropolitan Area. Self-collected vaginal swabs were tested for Neisseria gonorrhoeae (NG) and Chlamydia trachomatis (CT) using GeneXpert. HIV and syphilis testing were performed using the Bioline HIV/syphilis Duo test. Correlates of STI prevalence were determined using modified Poisson regression.Results Among 262 AGYW, median age was 20 years (IQR 18–23) and 87 (33%) had an STI: CT (27.5%), syphilis (5.7%), HIV (4.6%) and NG (1.5%). Overall, 14.9% had >1 STI. Of 12 AGYW with HIV, 3 (25%) were newly diagnosed and 6/9 had detectable viral loads (≥1000 copies/mL). In the prior 12 months, 126 (48%) had received syndromic STI treatment, but only 35 (28%) notified their partners. Additionally, 102 (39%) had used emergency contraception and 54% believed it was protective against STIs, including HIV. Factors associated with STI prevalence included non-cash compensation for domestic work (adjusted prevalence ratio (aPR) 2.26; 95% CI 1.04 to 4.92; p=0.040), lower educational attainment (aPR 1.73; 95% CI 1.16 to 2.57; p=0.007), alcohol consumption in the past 6 months (aPR 1.72; 95% CI 1.12 to 2.64; p=0.013) and transactional sex during the past 6 months (aPR 1.43; 95% CI 1.01 to 2.04; p=0.045). Conversely, self-reported sexual abuse was negatively associated with STIs (aPR 0.48; 95% CI 0.28 to 0.83; p=0.008).Conclusion The high prevalence of undiagnosed STIs and unsuppressed HIV among AGYW domestic workers in Central Uganda highlights the urgent need to increase STI/HIV prevention, testing and treatment coverage for these underserved and vulnerable young women. Targeted interventions are needed to mitigate STI/HIV acquisition in this population.