| Title, Format | Label | Cat# | Country | Year | |
|---|---|---|---|---|---|
| Hello (12") | WEA Records Ltd., WEA Records Ltd. | YZ 426T, 9031-70929-0 | UK | 1990 | |
| Hello (7", Single, Promo) | WEA, WEA Records, S.A. | 1.238 | Spain | 1989 | |
| Hello (Remix) (12") | WEA Records Ltd., WEA Records Ltd. | YZ 426TX, 9031-71078-0 | UK | 1990 | |
| Hello (Remix) (12", W/Lbl, Promo) | WEA Records Ltd. | YZ 426TX | UK | 1990 | |
| Hello (12") | Atlantic | 0-86235 | US | 1990 | |
| Hello (12") | WEA, WEA | 170 929-0, YZ 426T | Germany | 1990 | |
| Hello (12") | WEA Records Pty Ltd. | 0-170929 | Australia | 1990 | |
| Hello (12", Promo) | WEA Records Ltd. | SAM 620 | UK | 1990 | |
| Hello (12", Promo) | WEA Music Of Canada | PRO 930 | Canada | 1990 | |
| Hello (12", Promo) | Atlantic | DMD 1450 | US | 1990 | |
| Hello (7") | WEA, WEA | YZ 426, 170 928-7 | Europe | 1990 | |
| Hello (7") | WEA, WEA | YZ426, 9031-90928-7 | UK | 1990 | |
| Hello (7" + Box) | WEA Records Ltd., WEA Records Ltd. | YZ 426B, 9031-70935-7 | UK | 1990 | |
| Hello (CD, Maxi) | Atlantic | 7 86235-2 | US | 1990 | |
| Hello (CD, Maxi) | WEA, WEA | YZ426CD, 170 930-2 | Europe | 1990 | |
| Hello (CD, Single, Promo) | Atlantic | PR 3163-2 | US | 1990 |