This research is motivated by the idea that brand trust and brand commitment can influence the brand loyalty. The purpose of this study is to determine the effect of brand trust and brand commitment by partially or simultantly to brand loyalty. The type of research in this study is explanatory research with quantitative approach which used a questionnaire research instruments that were distributed to 72 respondents who are the consumer of Aqua products in Penanggungan Village. Data processing is performed by using SPSS 13.0 software for windows. Instrument testing in this research used validity test and reliability test. And for the data analysis technique used descriptive analysis and multiple linear regression analysis. Result of this research shows that brand trust and brand commitment partially have the effect by brand loyalty. By simultantly, known that brand trust and brand commitment have the significant effect by brand loyalty.