List of Ultratop 50 number-one singles of 2019

These hits topped the Ultratop 50 in 2019.^[1]

Flanders
Issue date	Song	Artist
5 January	"Sweet but Psycho"	Ava Max
12 January
19 January
26 January
2 February
9 February
16 February
23 February
2 March
9 March
16 March	"Giant"	Calvin Harris and Rag'n'Bone Man
23 March
30 March
6 April
13 April
20 April
27 April
4 May	"Old Town Road"	Lil Nas X
11 May
18 May
25 May
1 June
8 June
15 June
22 June
29 June
6 July
13 July
20 July	"Hoe het danst"	Marco Borsato, Armin van Buuren and Davina Michelle
27 July
3 August
10 August
17 August
24 August
31 August
7 September
14 September
21 September
28 September	"Dance Monkey"	Tones and I
5 October
12 October
19 October
26 October
2 November
9 November
16 November
23 November
30 November
7 December
14 December
21 December
28 December

Wallonia
Issue date	Song	Artist
5 January	"Tout oublier"	Angèle featuring Roméo Elvis
12 January
19 January
26 January
2 February
9 February
16 February
23 February
2 March
9 March
16 March	"Sweet but Psycho"	Ava Max
23 March	"Giant"	Calvin Harris and Rag'n'Bone Man
30 March	"Au DD"	PNL
6 April
13 April
20 April
27 April	"Balance ton quoi"	Angèle
4 May
11 May
18 May
25 May
1 June
8 June
15 June	"Tricheur"	Nekfeu featuring Damso
22 June	"Old Town Road"	Lil Nas X
29 June
6 July
13 July
20 July
27 July
3 August
10 August
17 August
24 August
31 August
7 September
14 September	"Señorita"	Shawn Mendes and Camila Cabello
21 September
28 September
5 October	"Dance Monkey"	Tones and I
12 October
19 October
26 October
2 November
9 November
16 November
23 November
30 November
7 December
14 December
21 December
28 December

References

Lists of number-one songs in Belgium