There have been at least two bands with this name:

1) Lost Gringos was a German New Wave (NDW) band that released several records between 1982-85. Members included Eberhardt Steinkrüger, Pete Jekyll.

2) Lost Gringos was a house music moniker used by Patrik Brickell & Thomas Wilke. Read more on Last.fm. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.