Yes. They have no specific teaching against it, although they would probably want to dictate what kind of headgear should be worn during the ceremony. Depending on the sect, the wedding banquet would have to follow stict rules for the mixing of fettucini and penne in any one dish.
No it does not permit same sex marriage.
No, Nestorianism does not permit same-sex marriage.
Yes, this church does permit same-sex marriage.
Pastafarianism
Yes.
No. This denomination does not permit same-sex couples to marry.
No. They only allow members to marry other members and do not permit same-sex marriage. In fact, they actively lobby against it.
No. This group does not permit same-sex couples to marry, nor does it permit same-sex relationships.
No. This group does not permit same-sex couples to marry, nor does it permit same-sex relationships.
No. This group does not permit same-sex couples to marry, nor does it permit same-sex relationships.
No, they do not.
No, it does not.