[ABSTRAKbrPenelitian ini bertujuan untuk mengetahui korelasi antara self-esteem dan adiksi cybersex pada mahasiswa. Metode yang digunakan dalam penelitian ini ialah kuantitatif. Dalam penelitian ini, pengukuran self-esteem menggunakan alat ukur Rosenberg Self-Esteem Scale (RSES) yang telah diadaptasi di Indonesia (Ariyani, 2004). Untuk pengukuran adiksi cybersex, peneliti menggunakan alat ukur Internet Sex Addiction Screening Test (ISST). Sampel penelitian ini adalah 860 mahasiswa yang berada pada tahap perkembangan emerging adulthood dengan usia 18-25 tahun yang terlibat dalam penelitian ini. Hasil penelitian menunjukkan adanya korelasi negatif yang signifikan antara self-esteem dan adiksi cybersex.;The purpose of this research is to find out the relationship between self-esteem and cybersex addiction in college students. The method of this research is a quantitative. This research used Rosenberg Self-Esteem Scale (RSES) Indonesian version to measure self-esteem. To measure cybersex addiction, this research used Internet Sex Addiction Screening Test (ISST). The respondents of this research is 860 college students who is currently in emerging adulthood age range (18-25 years old). The result showed that there is a significant correlation between self-esteem and cybersex addiction, The purpose of this research is to find out the relationship between self-esteem and cybersex addiction in college students. The method of this research is a quantitative. This research used Rosenberg Self-Esteem Scale (RSES) Indonesian version to measure self-esteem. To measure cybersex addiction, this research used Internet Sex Addiction Screening Test (ISST). The respondents of this research is 860 college students who is currently in emerging adulthood age range (18-25 years old). The result showed that there is a significant correlation between self-esteem and cybersex addiction]