Gewilib

{{Short description|Roman Catholic bishop (died 758)}}

{{Infobox clergy

| name = Gewilib

| other_names = Gewiliobus, Gewilip, Wieliebus

| death_date = 758

| death_place = Sponsheim

| title =

| offices_held = Bishop of the Roman Catholic Diocese of Mainz

| relatives = Geroldus of Mainz (father)

}}

Gewilib (died 758 in Sponsheim, also Gewiliobus, Gewilip, Wieliebus) was a bishop of the Roman Catholic Diocese of Mainz. He was the son of Geroldus of Mainz and his successor as a bishop.{{Cite book |last=Dryer |first=George Herbert |url=https://books.google.com/books?id=zPNMAQAAMAAJ |title=History of the Christian Church: The preparation for modern times 600-1517 A.D |date=1897 |publisher=Curts & Jennings |pages=77–78 |language=en}} He was deposed by Saint Boniface in 745, who succeeded him.