The aim of this study was to examine the effect of leadership style, organizational culture, and achievement motivation toward qari’ (man reciter of al-Qur’an) and qari'a (woman reciter of al-Qur’an) organizational commitment at LPTQ (The Institution for the Development of Tilawatil Qur'an) in Riau islands area. This research particularly was conducted separately on three parts of region namely; in the center, Province of Riau Islands (City of Batam); in the western region (Karimun Regency); and in the eastern region (Tanjung Pinang City). Survey method applied in this study along with path analysis used in hypothesis testing. The total of respondents amounted to 204, but only 186 in a number of respondents who returned the sheet of questionnaires. The total respondents for trials were as many as 30 participants. Each region was represented by 10 respondents, Alpha Cronbach formula used in these trials. The results revealed that there were a positive influence and significant: 1) Leadership style on qari' and qari's Organizational Commitment. 2) Organizational Culture on qari' and qari's Organizational Commitment. 3) Significant Leadership style on Achievement Motivation. 4) Leadership style, Organizational Culture on Achievement Motivation. 5) Leadership style, Organizational Culture and Achievement Motivation towards qari’ and qari'a Organizational Commitment in Riau Islands. The study concluded that: There were direct influences of leadership style, organizational culture and achievement motivation towards the organizational commitment of qari’ and qaria’. Based on the calculation of path analysis obtained Fobtained (24,69) > Ftable (2.67). So H0 was rejected and Hi was accepted. It meant that the style of leadership, organizational culture, and achievement motivation gave a significant influence on the commitment of the qari and qari’a organization.