Deadly Secret

{{Unreferenced|date=February 2020}}

{{Infobox television

| image = Deadly Secret.jpg

| image_size = 180

| caption = VCD cover art

| native_name = {{Infobox Chinese/Chinese|child=yes|hide=no|header=none

| t = 連城訣

| s = 连城诀

| p = Lián Chéng Jué

| j = Lin4 Sing4 Kyut3

}}

| genre = Wuxia

| developer =

| based_on = {{based on|A Deadly Secret|Louis Cha}}

| screenplay = Yu Hon-wing
Yeung Wing-cheung
Chung Tak-wing
Yuen Siu-na
Sharon Au

| director = Yau Ka-hung
Lai Kin-kwok
Cheng Siu-Keung
Kiu Lak-hang
Lau Kwok-ho

| creative_director =

| presenter =

| starring = Roger Kwok
Kitty Lai
Shallin Tse

| theme_music_composer =

| opentheme = "Cherish This Moment" ({{zhi|c=珍惜這一刻}}) performed by David Lui and Sammi Cheng

| endtheme = "Chrysanthemum Tears" ({{zhi|c=菊花淚}}) performed by David Lui and Sammi Cheng

| composer = Michael Lai

| country = Hong Kong

| language = Cantonese

| num_episodes = 20

| executive_producer =

| producer = Yau Ka-hung

| editor =

| location = Hong Kong

| cinematography =

| camera =

| runtime = 45 minutes per episode

| company = TVB

| channel = TVB Jade

| first_aired = {{Start date|1989|06|12|df=y}}

| last_aired = {{End date|1989|07|07|df=y}}

| related =

}}

Deadly Secret, also known as Lin Sing Kuet is a Hong Kong wuxia television series adapted from Louis Cha's novel A Deadly Secret. The series was first broadcast on TVB in Hong Kong in 1989.