This report documents the findings from the Behavioral Surveillance Survey conducted among youuth aged 15-24 in Rwanda in 2009. The 2009 Youth BSS documented HIV knowledge, attitudes, and behaviors (KAB) among youth in Rwanda. The data provided a cross-sectional look at the current HIV KAB among youth, and allowed for changes over time to be detected when analyzing these data against the results of the 2006 Youth BSS.