The Dutchman has joined the Balearic Island club on a three-year deal for an undisclosed fee.
Zuiverloon moved to West Brom from Heerenveen for ?3.2million in July 2008 and impressed initially before struggling to hold down a place in the starting XI last season.
Thumbs up: Gianni Zuiverloon has left West Brom for Spanish side Real Mallorca
The 24-year-old was pleased to have been given the chance to relaunch his career in the Primera Division.
He told Mallorca's official website: 'I am very happy and I will do my best as a player for Real Mallorca.
'I hope to become a better player and help the team. I will do everything possible to help the team have a good season.'
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