Background: Family planning is a crucial issue for all women of reproductive age, but in women with severe mental illness (SMI) there may be particular challenges and concerns. As primary care-based mental health services are expanding in low- and middle-income countries (LAMICs), there is an opportunity to improve family planning services for women with SMI. However, research exploring unmet family planning needs of women with SMI in such settings is scarce. Therefore, the present study explored the family planning experiences, unmet needs and preferences of women with SMI who reside in a predominantly rural area of Ethiopia Methods: A qualitative study design was used. Women with SMI who were participating in the ongoing population-based cohort study in Butajira were selected purposively on the basis of responses to a quantitative survey of current family planning utilization. In-depth interviews were conducted with 16 women with SMI who were of reproductive age. Audio files were transcribed in Amharic, translated into English and analyzed using the Framework Approach using Open Code qualitative data analysis software. Results: Participants reported pervasive effects of SMI upon the intimate relationships and sexual life of women. Although women with SMI felt that family planning was important, they had limited knowledge of family planning generally and a lack of understanding of the specific family planning needs relevant to having SMI. None of the women with SMI in the present study had received any recommendations to use family planning services while accessing mental health care services. The participants identified ways in which primary care-based mental health services could better meet their family planning needs. Conclusion: This study has provided in-depth perspectives from women with SMI about the broader context of their family planning experience, needs, and barriers and how integrated primary care services could better meet their needs. Empowerment of women with SMI to access information and services needs to be an important focus of future efforts to improve the reproductive experiences of this vulnerable group. Key words: Family planning, severe mental illness, Contraceptives, Reproductive age