List of Ultratop 50 number-one singles of 2015

These hits topped the Ultratop 50 in 2015.

Flanders
Issue date	Song	Artist
3 January	"Are You With Me"	Lost Frequencies
10 January	"Uptown Funk"	Mark Ronson featuring Bruno Mars
17 January
24 January
31 January	"Christine"	Christine and the Queens
7 February
14 February
21 February
28 February	"Cheerleader" (Felix Jaehn remix)	OMI
7 March
14 March
21 March
28 March	"Christine"	Christine and the Queens
4 April	"Cheerleader" (Felix Jaehn remix)	OMI
11 April	"Goeiemorgend, Goeiendag" (Live)	Stan Van Samang
18 April	"See You Again"	Wiz Khalifa featuring Charlie Puth
25 April
2 May
9 May	"Een Ster (Live)"	Stan Van Samang
16 May	"The Hum"	Dimitri Vegas & Like Mike Vs. Ummet Ozcan
23 May	"Een Ster (Live)"	Stan Van Samang
30 May	"Rhythm Inside"	Loïc Nottet
6 June
13 June
20 June
27 June	"Reality"	Lost Frequencies featuring Janieck Devy
4 July
11 July
18 July	"Higher Place"	Dimitri Vegas & Like Mike feat. Ne-Yo
25 July	"Reality"	Lost Frequencies featuring Janieck Devy
1 August	"Higher Place"	Dimitri Vegas & Like Mike feat. Ne-Yo
8 August
15 August
22 August	"Reality"	Lost Frequencies featuring Janieck Devy
29 August	"Higher Place"	Dimitri Vegas & Like Mike feat. Ne-Yo
5 September
12 September
19 September
26 September	"Catch & Release" (Deepend remix)	Matt Simons
3 October
10 October
17 October
24 October
31 October	"Hello"	Adele
7 November
14 November
21 November	"10.000 luchtballonnen"	K3
28 November	"Hello"	Adele
5 December
12 December
19 December
26 December

Ranking of most weeks at number 1

Position	Artist	Weeks #1
1	Dimitri Vegas & Like Mike	9
2	Adele	8
2	Ne-Yo	8
3	Lost Frequencies	6
4	Christine and the Queens	5
4	Janieck Devy	5
4	Matt Simons	5
4	Omi	5
5	Loïc Nottet	4
6	Mark Ronson	3
6	Bruno Mars	3
6	Wiz Khalifa	3
6	Charlie Puth	3
6	Stan Van Samang	3
7	K3	1
7	Ummet Ozcan	1

Wallonia
Issue date	Song	Artist
3 January	"Dangerous"	David Guetta featuring Sam Martin
10 January	"Uptown Funk"	Mark Ronson featuring Bruno Mars
17 January
24 January
31 January
7 February
14 February
21 February	"Christine"	Christine and the Queens
28 February
7 March
14 March
21 March
28 March	"Cheerleader" (Felix Jaehn remix)	OMI
4 April
11 April
18 April
25 April
2 May
9 May
16 May	"Easy Come Easy Go"	Alice on the roof
23 May	"Goodbye"	Feder featuring Lyse
30 May	"Rhythm Inside"	Loïc Nottet
6 June
13 June	"Goodbye"	Feder featuring Lyse
20 June
27 June	"Homeless"	Marina Kaye
4 July
11 July	"Goodbye"	Feder featuring Lyse
18 July	"Reality"	Lost Frequencies featuring Janieck Devy
25 July
1 August
8 August
15 August
22 August	"El Perdón"	Nicky Jam featuring Enrique Iglesias
29 August
5 September	"Stolen Car"	Mylène Farmer & Sting
12 September	"El Perdón"	Nicky Jam feat. Enrique Iglesias
19 September	"How Deep Is Your Love"	Calvin Harris & Disciples
26 September
3 October
10 October
17 October	"Catch & Release"	Matt Simons
24 October
31 October	"Hello"	Adele
7 November
14 November
21 November
28 November
5 December
12 December
19 December
26 December

Ranking of most weeks at number 1

Position	Artist	Weeks #1
1	Adele	9
2	OMI	7
3	Mark Ronson	6
3	Bruno Mars	6
4	Christine and the Queens	5
4	Lost Frequencies	5
4	Janieck Devy	5
5	Calvin Harris	4
5	Disciples	4
5	Feder	4
5	Lyse	4
6	Nicky Jam	3
6	Enrique Iglesias	3
7	Loïc Nottet	2
7	Marina Kaye	2
7	Matt Simons	2
8	David Guetta	1
8	Sam Martin	1
8	Alice on the roof	1
8	Mylène Farmer	1
8	Sting	1

See also

• 2015 in music