Abstract: The research investigated the use of Interuterin Device (IUD) as a method of contraceptive among married women in tertiary institutions in Ekiti state. The population was all married women working in the institutions in Ekiti state. The sample was 200 subjects selected randomly from the two institutions that were involved in the study. The research instrument was IUD questionnaire that was used to collect data for the research. The validity of the instrument was 0.77 while reliability was 0.67. Both coefficients were significant at 0.05 level. Two null hypotheses were raised for the study. One was rejected and the other accepted. It was concluded that since the method is effective and easily reversible, it could be used by all the women that are currently not using. It was therefore, recommended that a backup method be used by those who have other sexual partners so as to avoid STD.