Emergency contraception refers to contraceptive methods that may be used in the first few days after unprotected intercourse to prevent pregnancy. The main objective of this study was to assess the level of knowledge, Attitude &utilization of emergency contraceptives &factors influencing knowledge, Attitude &utilization of emergency contraceptives among female University & college students in Arbaminch town. Cross sectional survey has been conducted on female university & college students found in Arbaminch town from November 2009 up to September 2010. Self-administered questioners were employed to collect pertinent data. Though from a total of 791 respondents, 66.2% of them had reported that they have ever heard about Emergency contraception, 60.1% of them reported incorrect methods like Depo-Provera &Norplant &26 %of them don’t know the exact time when Emergency contraception should be taken. only 76 (9.6 %) of the respondents have practiced Emergency contraception &majority of them 65(85.5%) used pills. Majority of the respondents 530(67%) are willing to use Emergency contraception