Context: Dating violence is prevalent in romantic relationships between young adults, and may be linked with suicidal ideation and behavior in victims. However, the pattern of dating violence victimization, suicidality, and the relationship between dating violence victimization and suicidality could vary depending on gender. Aims: To determine gender differences in the relationship between dating violence victimization and suicidality in young adults. Settings and Design: Cross-sectional descriptive study of 118 students (66 Females, 52 Males) between the ages of 18-32 years at a College of Medicine in Lagos, Nigeria. Methods and Material: Study instruments used include; the Dating Violence Questionnaire (DVQ), Suicide Behavior Questionnaire-Revised (SBQ-R), and a Socio-Demographic Questionnaire. Participants were chosen through the convenience sampling method. Statistical Analysis: The Statistical Package for the Social Sciences Version-23 (SPSS version-23) was used to analyze the data. Results: Females who had experienced victimization from their romantic partners in the form of emotional punishment (P=0.02), humiliation (P=0.01), sexual abuse (P=0.03), and gender-based abuse (P=0.01), had significantly higher levels of suicidality compared to males. Conclusion: Gender has a major influence on the expression of suicidality in young adult victims of dating violence.