​Kuami Eugene

1997 -
Ghanaian
Participations: 1
Representing: Ghana
Best result: DNQ

181. New African girl / DNQ - with Fuse ODG and KiDi
​​

Kudai

1999 -
Chilean
Participations: 1
Representing: Chile
Best result: 16th

27. Aún / 16th place
​

Kühnuv detsky sbor

See Czech Philharmonic Children's Choir
​

Kumiko Noma

Japanese
Participations: 1
Representing: Japan
Best result: DNQ

​76. Lilium / DNQ
​

Kuningasidea

2010 -
Finnish
Participations: 1
Representing: Finland
Best result: DNQ

81. Enemmän duoo ku sooloo / DNQ
​

​Kunz

1985 -
Swiss
Participations: 1
Representing: Switzerland
Best result: 7th

178. Möuchstross / 7th place
​

Kurt Darren

1970 -
South African
Participations: 4
Representing: South Africa
Best result: 16th

​47. Loslappie / DNQ
50. Daar doer in die donker / 19th place
126. Dans op tie tafels / 25th place
​167. Laat die dansvloer brand / 13th place
​

Kurt Nilsen

1978 -
Norwegian
Participations: 1
Representing: Norway
Best result: 6th

29. Breathe you in / 6th place
​

Kwabs

1990 -
British of Ghanaian descent
Participations: 1
Representing: Ghana
Best result: 5th

114. Walk / 5th place
​

Kwan

2000 -
Finnish with a member of Senegalese descent
Participations: 2
Representing: Finland (1) and Greece* (1)
Best result: 15th

​104. Tainted love / 15th place - with Dimitris Korgialas 
108. Shine / DNQ
​

Kygo

1991 -
Norwegian born in Singapore
Participations: 7
Representing: Norway (5) and Singapore (2)
Best result: 13th

​112. Firestone / 13th place - with Conrad Sewell
122. Stay / DNQ - with Maty Noyes
128. Carry me / 24th place - with Julia Michaels
​136. It ain't me / 15th place - with Selena Gomez
160. Think about you / DNQ - with Valerie Broussard
​167. Carry on / DNQ - with Rita Ora
​171. Like it is / DNQ - with Tyga & Zara Larsson
​

Kyla La Grange

1986 -
British of South African and Zimbabwean descent
Participations: 1
Representing: United Kingdom
Best result: 10th

104. Cut your teeth / 10th place
​

Kyla Reid

1983 -
British
Participations: 1
Representing: Canada*
Best result: DNQ

​126. One dance / DNQ - with Drake & Wizkid
​

​Kyle Lionhart

Australian
Participations: 1
Representing: Australia
Best result: 8th

173. Holding on / 8th place
​

Kylie Minogue

1968 -
Australian
Participations: 10
Representing: Australia (6), Cuba* (1), India* (1), Italy* (1) and Mexico* (1) 
Best result: Silver Medallist

11. Can't get you out of my head / Silver medal
37. In my arms / 19th place - with Aleks Syntek
47. Under the influence of love / 15th place
53. Chiggy wiggy / DNQ - with Sonu Nigam
55. All the lovers / 9th place
93. Limpio / 20th place - with Laura Pausini
98. Into the blue / 12th place
148. Dancing / 8th place
154. Music's too sad without you / 7th place - with Jack Savoretti
​165. Stop me from falling / 13th place - with Gente de Zona

​Kyriacos Georgiou

Greek
Participations: 1
Representing: Bulgaria*
Best result: DNQ

179. Granitsi / DNQ - with Emanuela
​​

Kyu Sakamoto

1941 - 1985
Japanese
Participations: 1
Representing: Japan
Best result: DNQ

96. Sukiyaki / DNQ
​