The study investigated the influence leaders' communication pattern has on lecturers' job performance in Kwara State Colleges of Education, Nigeria. Using the descriptive survey method, the population of the study was made up of all lecturers and students of the existing three state government owned Colleges of Education in the state. Five hundred respondents were sampled from the Colleges using proportional simple random sampling technique to select 200 academic staff and 300 students from the Colleges. Four research hypotheses were formulated while two validated instruments titled "Provosts' Communication Styles Descriptive Questionnaire" (PCSDS) and "Teachers' Effectiveness Descriptive Questionnaire" (TEDQ) were designed to elicit information from both lecturers and students. Pearson product moment correlation coefficient statistics was used in order to validate the assumptions. The results of the investigation revealed that: a significant relationship existed between leaders' democratic communication pattern and lecturers' performance; leaders' Autocratic pattern did not significantly relate to lecturers performance; leaders' laissez faire pattern not significantly related to lecturers' performance and that leaders' communication pattern significantly related to lecturers' performance. The study concluded that leaders' pattern of communication significantly enhanced lecturers performance in Kwara State Colleges of Education and recommended that leaders should as much as possible engage in democratic communication pattern in order to facilitate the attainment of the stated aims and objectives of the institutions.