Dialect is a part of language variation in pronunciation, grammar, and vocabulary to sound variation. Indonesia has many of variation and diversity of dialect and one of them is Osing dialect or Basa Osing in Banyuwangi, East Java. There are some of differences using Osing dialect in term of place, situation, and consumer. The form of Osing dialect based on place, situation and consumer will be displayed in this study is dialect in real environment of local people. The purpose of this study is to identify and analyze Basa Osing in Banyuwangi, East Java using descriptive qualitative research. The participant of this research is local people of Osing. Collecting the data in this study is conducted by observation and interview. The structured interview is used to obtain the information from the respondent that already set the needs by researcher. The researcher observes their conversation with the local people and listen how they was talking each other. After that the research tapped the pronunciation about their conversation that carried out by the local people. The result of these observation is recorded and noted by the researcher. The findings of this study are that the use of Osing dialect varies depending on each term of place, situation, and consumer.