Audit report lag is an indication that there is a problem in the financial statement. This study aimed to reveal some factors that can influence the audit report lag among non-financial companies listed in the Indonesia Stock Exchange (IDX). These factors include company size, company profit, solvency, public accounting firm size, independent board of commissioners, board of commissioner size, ownership concentration, independent audit committee, audit committee competency, and audit committee size. This research states that company size, company profit, solvency, board of commissioner size, ownership concentration, and audit committee size affect the audit report lag. Meanwhile, public accounting firm size, independent board of commissioners, independent audit committee, and the competence of audit committee are known to have no effect on audit report lag. In this study, solvency is known to have a positive effect on audit report lag, while company size, company profits, board of commissioner size, ownership concentration, and audit committee size negatively affect audit report lag.