The name Ingo is a boy's name of German origin meaning "protected by Yngvi". Ingo and is often added to lists like Cool Baby Names That Start With I and discussed in our forums with posts like "Themed Families..".
From the experts:
An unusual name heard in contemporary Germany, the Netherlands, and Scandinavia, it's the male version of the more familiar Inga. It's the name of a German god, and attached to German-born soap star Ingo Rademacher--the father of sons named Peanut and Pohaku Zen.