In the developing countries, millions of HIV positive-infected women of childbearing age are currently not using contraceptive to delay or terminate pregnancy. Prevention of unintended pregnancy among HIV positive-infected women is very important to improve these women and their baby's quality of life. This study aimed to analyze factors related to the unmet need among HIV positive-infected women of childbearing age. This study used cross-sectional method with 130 samples taken consecutively. This study was conducted on March 24 to June 30, 2015 at Mawar Clinic in Bandung City. Interviews using a questionnaire were performed to collect data that were then analyzed by using chi square test and multiple logistic regression. The results showed that desire to have children (OR= 2.67; 95%CI= 1.034 - 6.891, husband's support (OR= 7.803; 95%CI = 2.037 - 29.884) affected the unmet need and husband's HIV status (OR= 0.168; 95%CI= .064 - 0.44) had lower effect to the unmet need. The husband's support was found as the most influential factor to the unmet need in this study. The husband's role is important in reducing the unmet need among the HIV positive-infected women, so that contraceptive counseling in pair should be performed.