The concept of the linguistic landscape provides a framework for analyzing language use in public spaces, offering insights into the linguistic dynamics and identities of a region's inhabitants. This study examines the linguistic landscape of Incheon Chinatown to understand the complex identities of the longstanding overseas Chinese community in Korea. Initially, the study collected and analyzed linguistic data from Incheon Chinatown. It explored how regional names and language types contribute to identity understanding. The findings reveal that Korean, Chinese, and English are predominantly used, each serving different functions and symbolic meanings. Korean is mainly used for informational purposes, while Chinese represents cultural identity and connectivity. The research also investigates language use nuances, such as differences between simplified and traditional Chinese and local signage names. This analysis highlights the diversity and complexity of identities within Korea's old overseas Chinese community. The study is significant as it connects linguistic landscape and identity, contributing to broader discussions on identity in various linguistic environments. It also informs future language policy development, enhancing our understanding of multicultural interactions and identity formations.