Originally Posted by Van'tal
Popular on the Sword coast:

Helm

Selune

Mielikki

Popular followers: Drizzt Do'Uurden

Sune

Lothander

Waukeen

Mystra

Popular followers: Elminster

Tempus

Tymora

Tyr

Ilmater

Selune's Elvin aspect

Sehanine Moonbow


Popular among Bards and everyone else for her Annual Party Day.

Lliira

Influential faction: The Scarlet Mummers


Sea Domain:

Valkur

Umberlee


Popular among Firbolg and other Giants

Hiatea

Besides all of these, the evil pantheons were also worshiped, but were considered cults.

There are more of course, that I am sure I missed.
+1 agree with this list. A small note you spell the God name wrong of Lathander that is almost blasphemy be warned hehee.