Every organisation is established in order to meet its goals, mission and vision. Its success is most paramount as it keeps such organisation to continue to exist. For its to be successful, secretaries have a role to play as they need to exhibit and display good personal and professional attributes in the course of discharging their duties as it goes a long way in determining the success of such organisation. Therefore, the study investigated the influence of personal and professional attributes of secretaries on organisational success in University of Ibadan. The study adopted the descriptive research design. Four universities were purposively selected in Oyo State. A total enumeration was adopted in the study as 193 secretaries were used as the sample size. Questionnaire was the instrument used for data collection. Descriptive statistics of simple percentage and mean was used in analyzing the research question and inferential statistics of Pearson’s moment product correlation was used to test the hypothesis at 0.05 level of significance. It was revealed that punctuality, good interpersonal relationship, god communication skills, good dress sense and good team spirit were some of the personal and professional attributes possessed by secretaries. There was a significant of personal and professional attributes of secretaries on organisational success (F= 1.705; P<0.05) A significant positive relationship was found between personal and professional attributes and organisational success (r=0.179;P <.05). Secretaries should be trained and also allow to attend seminars and conferences so that they can acquire some professional attributes that would help them to be productive and efficient in the office as this would also enhance organisational success.