The purpose of this research is to reveal the forms of courtesy that exist in three regions in Indonesia, namely Mentawai (West Sumatra), Jagoi Babang (West Kalimantan), and Java (East Java), represented in three Indonesian etnographic novels. This current research applies the qualitative method. The research data sources are the novels entitled “Burung Kayu” (2020), “Kidung Rindu di Tapal Batas” (2015), and novel “Kumara Hikayat Sang Kekasih” (2017). The results reveal that the forms of courtesy represnted in the three ethnographic novels are respecting for others, respecting for elders, respecting for the prevailing customs in society, etiquette in asking for help, and thanking someone.