List of number-one albums of 1990 (Portugal)

The Portuguese Albums Chart ranks the best-performing albums in Portugal, as compiled by the Associação Fonográfica Portuguesa.

Number-one albums in Portugal
1990 • 1991 →

Week	Album	Artist	Reference
1/1990
2/1990	...But Seriously	Phil Collins	[1]
3/1990			[2]
4/1990			[3]
5/1990			[4]
6/1990			[5]
7/1990			[6]
8/1990			[7]
9/1990			[8]
10/1990			[9]
11/1990			[10]
12/1990	Amazónia	Roberto Carlos	[11]
13/1990			[12]
14/1990	...But Seriously	Phil Collins	[13]
15/1990			[14]
16/1990			[15]
17/1990			[16]
18/1990			[17]
19/1990	The Legend of Eagles	Eagles	[18]
20/1990	Pump Up The Jam	Technotronic	[19]
21/1990	Mosaïque	Gipsy Kings	[20]
22/1990			[21]
23/1990	...But Seriously	Phil Collins	[22]
24/1990	Mosaïque	Gipsy Kings	[23]
25/1990	The Very Best of Cat Stevens	Cat Stevens	[24]
26/1990			[25]
27/1990			[26]
28/1990			[27]
29/1990	Existir	Madredeus	[28]
30/1990	The Very Best of Cat Stevens	Cat Stevens	[29]
31/1990	Existir	Madredeus	[30]
32/1990	I'm Breathless	Madonna	[31]
33/1990	Existir	Madredeus	[32]
34/1990			[33]
35/1990	Mingos & Os Samurais	Rui Veloso	[34]
36/1990			[35]
37/1990			[36]
38/1990			[37]
39/1990			[38]
40/1990			[39]
41/1990			[40]
42/1990			[41]
43/1990			[42]
44/1990			[43]
45/1990			[44]
46/1990			[45]
47/1990			[46]
48/1990			[47]
49/1990			[48]
50/1990			[49]
51/1990	The Very Best of Elton John	Elton John	[50]
52/1990