This study aims to determine the effect of advertising attractiveness, brand
reputation, and product quality on customer loyalty in Indomie instant noodle
products. This study uses quantitative research methods, sampling techniques
using purposive sampling. The population in this study were students in six high
schools in the city of Purwokerto, namely students from UMP, students from
UNSOED, students from UHB, students from IAIN, students from Amikom, and
students from ITT TELKOM. The sample in this study was 120 respondents. The
research method used in this study is validity test, reliability test, classic
assumption test, multiple regression analysis, coefficient of determination, F test,
and t test. The variable attractiveness of advertising has a significant positive
effect on customer loyalty, brand reputation variables have a significant positive
effect on customer loyalty, product quality variables have a significant positive
effect on customer loyalty. Simultaneously the variable attractiveness of
advertising, brand reputation, and product quality has a significant positive effect
on customer loyalty.