Jelasin soal Lee Si-woo (pemeran, lahir 1999) dong

| name               = Lee Si-woo

| birth_place        = Korea Selatan

| other_names        = Lee Chan-sun, Lee Shi-woo, Lee Si-u

| education          = Korea National University of Arts (Drama Center and Acting Department)

| occupation         = Pemeran, Model

| agent              = NPIO Entertainment, JYP Entertainment

| known_for          = Hi Bye, Mama!  Sweet Revenge  Do Do Sol Sol La La Sol

Lee Si-woo () adalah pemeran dan model Korea Selatan. Ia paling dikenal untuk perannya dalam drama Hi Bye, Mama!'' sebagai Jang Pil-seung.