If you exclude Antarctica (which has no permanent inhabitants), then there are several religions that have followers on every continent, including Christianity, Islam, Judaism, and Buddhism, and probably several others.
Every continent.
Islam
On every continent inhabitable. Its the fastest growing religion with one billion and still counting.
Islam is a religion and followers of Islam ..called muslims are all around the world .. on every continent except antartica of course !
As I live and breathe, I live on every continent; and sail on every sea.
No country is on every continent
On every continent except Antarctica.
Humans have taken chickens to every continent except I believe Antarctica.
Since there is no permanent population on the continent, no 'predominant religion' exists.
Antarctica
No continent is crossed by every line of latitude.
Human population is found on every continent except Antarctica.