This study investigated the factors associated with cyber dating abuse (CDA) among college students in South Korea. In order to shed light on this relatively understudied area concerning social and health issues, the study analyzed data from a convenience sample of 199 undergraduate students enrolled in a medium-sized Korean university. The findings showed that over the past 12 months, 52.5% of male and 51.4% of female students experienced CDA, while perpetration rates stood at 37.3% for males and 46.4% for females. Binomial logistic regression analyses revealed that students who had experienced partner abuse were more likely to be victims of CDA (IRR = 1.640; CI [1.108, 2.428]), as were those who had perpetrated physical or psychological abuse against their partners in person (IRR = 2.740; CI [1.456, 5.153]). Furthermore, users of online dating services were three times more likely to experience CDA than non-users (IRR = 3.008; CI [1.326, 6.822]). Perpetrating offline partner abuse (IRR = 3.572; CI [1.770, 7.210]) and using online support networks to resolve conflicts in romantic relationships (IRR = 2.734; CI [1.294, 5.778]) were significantly linked to CDA perpetration. These findings underscore the prevalence of CDA victimization and perpetration among college students in South Korea. Therefore, colleges and universities must implement effective prevention programs targeting cyber dating abuse or strengthen existing IPV prevention programs.