1 - O'baya

2 - O'Kenneth

3 - O'Kenneth

4 - Obaapa Christy

5 - Obaapa Gladys

6 - Oberz

7 - Obesere

8 - Obibini

9 - Obibini Takyi

10 - Obibini Takyi JAnr

11 - Oboy Murphy

12 - Obrafour

13 - October London

14 - Odometer

15 - Odumeje

16 - Odumodublvck

17 - Odunsi (The Engine)

18 - Offei

19 - Offica

20 - Officixl Rsa

21 - Offset

22 - Ofori Amponsah

23 - OG Parker

24 - Oga Network

25 - OGB Recent

26 - Ogidi Brown

27 - OGK Shadow

28 - Ogranya

29 - Ohemaa Mercy

30 - OKenneth

31 - Okese1

32 - Okomfour Kwadee

33 - Okyeame Kwame

34 - Oladips

35 - Olakira

36 - Olamide

37 - OldBoy

38 - Oliver Francis

39 - Oliver Tree

40 - OliveTheBoy

41 - Olivia O'Brien

42 - Olivia Rodrigo

43 - Olly Murs

44 - Oluwa Kuwait

45 - Omah Lay

46 - Omar Sterling

47 - Omawumi

48 - Ommy Dimpoz

49 - OmoAkin

50 - OneRepublic

51 - Only The Family

52 - Onyizzy Vegas

53 - Opanka

54 - Option

55 - Orezi

56 - Orimah Jnr

57 - Oriste Femi

58 - Oritse Femi

59 - Orkortor Perry

60 - Oseikrom Sikanii

61 - OSKIDO

62 - Oskido

63 - Otega

64 - Otile Brown

65 - Otuahene

66 - Out of Order

67 - Outsyd DJ

68 - OV

69 - OV (Okailey Verse)

70 - Ovy On The Drums

71 - Owl City

72 - Oxlade

73 - Oyibo Rebel

74 - Oyinkanade

75 - Ozuna