List of Ultratop 50 number-one singles of 2018

These hits topped the Ultratop 50 in 2018.

Flanders
Issue date	Song	Artist
6 January	"Perfect" (including "Perfect Duet" and "Perfect Symphony")	Ed Sheeran (with Beyoncé / with Andrea Bocelli)
13 January
20 January
27 January
3 February
10 February	"Crazy"	Lost Frequencies and Zonderling
17 February
24 February
3 March
10 March
17 March	"Zoutelande"	BLØF featuring Geike Arnaert
24 March
31 March
7 April
14 April
21 April
28 April	"One Kiss"	Calvin Harris and Dua Lipa
5 May
12 May
19 May
26 May
2 June
9 June
16 June
23 June
30 June
7 July
14 July
21 July
28 July	"Ellie"	Regi featuring Jake Reese
4 August
11 August
18 August
25 August
1 September
8 September
15 September	"Shotgun"	George Ezra
22 September
29 September
6 October
13 October
20 October
27 October
3 November	"Be Alright"	Dean Lewis
10 November	"Shotgun"	George Ezra
17 November	"Promises"	Calvin Harris and Sam Smith
24 November	"Be Alright"	Dean Lewis
1 December	"Sweet but Psycho"	Ava Max
8 December
15 December
22 December
29 December

Wallonia
Issue date	Song	Artist
6 January	"Perfect" (including "Perfect Duet" and "Perfect Symphony")	Ed Sheeran (with Beyoncé / with Andrea Bocelli)
13 January
20 January
27 January
3 February
10 February
17 February	"Hit Sale"	Therapie Taxi featuring Roméo Elvis
24 February
3 March
10 March	"Crazy"	Lost Frequencies and Zonderling
17 March	"Hit Sale"	Therapie Taxi featuring Roméo Elvis
24 March
31 March	"Crazy"	Lost Frequencies and Zonderling
7 April	"La même"	Maître Gims featuring Vianney
14 April
21 April
28 April
5 May
12 May
19 May
26 May
2 June
9 June
16 June
23 June	"Smog"	Damso
30 June	"One Kiss"	Calvin Harris and Dua Lipa
7 July
14 July
21 July
28 July
4 August
11 August
18 August
25 August
1 September	"Solo"	Clean Bandit featuring Demi Lovato
8 September
15 September
22 September
29 September	"In My Mind"	Dynoro and Gigi D'Agostino
6 October
13 October
20 October
27 October
3 November
10 November
17 November
24 November	"Rêves bizarres"	Orelsan featuring Damso
1 December	"In My Mind"	Dynoro and Gigi D'Agostino
8 December
15 December
22 December	"Tout oublier"	Angèle featuring Roméo Elvis
29 December

Flanders
Ranking of most weeks at number 1

Position	Artist	Weeks #1
1	Calvin Harris	14
2	Dua Lipa	13
3	George Ezra	8
4	Regi	7
4	Jake Reese	7
5	BLØF	6
5	Geike Arnaert	6
6	Ed Sheeran	5
6	Beyoncé	5
6	Andrea Bocelli	5
6	Lost Frequencies	5
6	Zonderling	5
6	Ava Max	5
7	Dean Lewis	2
8	Sam Smith	1

Wallonia
Ranking of most weeks at number 1

Position	Artist	Weeks #1
1	Maître Gims	11
1	Vianney	11
1	Dynoro	11
1	Gigi D'Agostino	11
2	Calvin Harris	9
2	Dua Lipa	9
3	Ed Sheeran	6
3	Beyoncé	6
3	Andrea Bocelli	6
3	Roméo Elvis	6
4	Therapie Taxi	5
5	Clean Bandit	4
5	Demi Lovato	4
6	Lost Frequencies	2
6	Zonderling	2
6	Damso	2
6	Angèle	2
7	Orelsan	1

See also

• List of number-one albums of 2018 (Belgium)
• 2018 in music