What does Gunther mean?
Gunther /gun-ther/ [2 sylls.] as a name for boys is of Old Norse origin, and the name Gunther means "battler, warrior". Gunther is a German form of Gunnar (Old Norse): from Old Norse gunnr "strife".
How popular is Gunther?
Gunther is an uncommonly occurring given name for men but a very prominent last name for both adults and children (#4047 out of 150436, Top 3%). (2000 U.S. Census)
Below is a graphed analysis of the popularity of Gunther and related names. Gunnar (#381 the previous year) and Gunner (#235) are the popular variation forms of Gunther (not ranked) appearing in the Top 1000. Forms like Gullan are uncommon. Adoption of these boy names is at its most widespread today (usage of 0.692%). Gunnar (#381) and Gunner (#235) are two of the more contemporarily stylish birth names among these, and there is a rekindling in baby name usage for Gunnar. (2014 Birth Statistics)