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Background: Achieving the 95-95-95 targets for HIV diagnosis, treatment, and viral load suppression to end the HIV epidemic hinges on eliminating structural inequalities, including intimate partner violence (IPV). Sub-Saharan Africa has among the highest prevalence of IPV and HIV worldwide. We aimed to examine the effects of IPV on recent HIV infection and women's engagement in the HIV care cascade in sub-Saharan Africa., Methods: We did a retrospective pooled analysis of data from nationally representative, cross-sectional surveys with information on physical or sexual IPV (or both) and HIV testing, from Jan 1, 2000, to Dec 31, 2020. Relevant surveys were identified from data catalogues and previous large-scale reviews, and included the Demographic and Health Survey, the AIDS Indicator Survey, the Population-based HIV Impact Assessment, and the South Africa National HIV Prevalence, Incidence, Behavior and Communication Survey. Individual-level data on all female respondents who were ever-partnered (currently or formerly married or cohabiting) and aged 15 years or older were included. We used Poisson regression to estimate crude and adjusted prevalence ratios (PRs) for the association between past-year experience of physical or sexual IPV (or both), as the primary exposure, and recent HIV infection (measured with recency assays), as the primary outcome. We also assessed associations of past-year IPV with self-reported HIV testing (also in the past year), and antiretroviral therapy (ART) uptake and viral load suppression at the time of surveying. Models were adjusted for participant age, age at sexual debut (HIV recency analysis), urban or rural residency, partnership status, education, and survey-level fixed effects., Findings: 57 surveys with data on self-reported HIV testing and past-year physical or sexual IPV were available from 30 countries, encompassing 280 259 ever-partnered women aged 15-64 years. 59 456 (21·2%) women had experienced physical or sexual IPV in the past year. Six surveys had information on recent HIV infection and seven had data on ART uptake and viral load suppression. The crude PR for recent HIV infection among women who had experienced past-year physical or sexual IPV, versus those who had not, was 3·51 (95% CI 1·64-7·51; n=19 179). The adjusted PR was 3·22 (1·51-6·85). Past-year physical or sexual IPV had minimal effect on self-reported HIV testing in the past year in crude analysis (PR 0·97 [0·96-0·98]; n=274 506) and adjusted analysis (adjusted PR 0·99 [0·98-1·01]). Results were inconclusive for the association of ART uptake with past-year IPV among women living with HIV (crude PR 0·90 [0·85-0·96], adjusted PR 0·96 [0·90-1·02]; n=5629). Women living with HIV who had experienced physical or sexual IPV in the past year were less likely to achieve viral load suppression than those who had not experienced past-year IPV (crude PR 0·85 [0·79-0·91], adjusted PR 0·91 [0·84-0·98], n=5627)., Interpretation: Past-year physical or sexual IPV was associated with recent HIV acquisition and less frequent viral load suppression. Preventing IPV is inherently imperative but eliminating IPV could contribute to ending the HIV epidemic., Funding: Canadian Institutes of Health Research, the Canada Research Chairs Program, and Fonds de recherche du Québec-Santé., Translations: For the French, Spanish and Portuguese translations of the abstract see Supplementary Materials section., Competing Interests: Declaration of interests MM-G reports an investigator-sponsored research grant from WHO, outside the submitted work. JWE reports research grants from the Bill & Melinda Gates Foundation, the US National Institutes of Health, UNAIDS, WHO, and the United States Agency for International Development (USAID), personal fees from Oxford Policy Management, and support for meeting travel from UNAIDS and SACEMA, all outside the submitted work. All other authors declare no competing interests., (Copyright © 2023 Elsevier Ltd. All rights reserved.)