Collecting postage stamps with a religious (or related) theme is a popular pastime enjoyed by individuals the world over. The scope is surprisingly large; many religious holidays, such as Christmas and Easter, have been and continue to be commemorated on postage stamps.
COROS, the (sadly now-defunct) Collectors Of Religion On Stamps, noted the following sub-categories, and of course there are more that could be added.
| Angels | Church History | Mythology |
| Bells | Easter | Nuns |
| Bible | Ecumenism | Non-Christian |
| Bible Illustrated | Eucharistic Congresses | New Testament |
| Bible Quotations | Hymns | Old Testament |
| Biography | Israel | Popes |
| Christ | Koran | Prayer |
| Christmas | Litany | Reformation |
| Life-of-Christ | Madonnas | Religious Art |
| Churches and Cathedrals | Marian Philately | Sacred Art |
| Christian Symbolism | Missionaries | Saints |
| Clergymen and Theologians | Monks | St. Paul |
| Crosses | Mosques | Vatican |
See also:
