This research aims to analyze the availabity of reference collections in library of MAN I Pekanbaru. This research is quantitative analysis. It uses observation questionnaire and documentation techniques to collect the data. The result shows that the library MAN I Pekanbaru has 6 types of reference collections from I0 types of reference collection, base on National Standards of Library. The types of reference collection available are Scripture, Dictionary, Encyclopedia, Atlas, map, and government regulation. The important collections which are not yet available among thers: biography science dictionary directory dan almanac calendar.