[artmageddon]

Spanish also pronounces it as "Double V", though I can't say anything about the frequency of it throughout the language.

[jacques_chester]

Interesting, it might be a Romance language thing. Paging linguists! Paging all HN linguists!

[Gertm]

In dutch, W is pronounced more or less like you would pronounce 'wey' but without the 'y' sound at the end. (the actual sound doesn't exist in english afaik)