Tyr:

The god of light and justice. His followers are called Paladins, and they protect the innocent and keep ogres, goblins, etc. (ogres, goblins are sorn enemies of Paladins) in order. They are ruthless when dealing with them.

Tempus:

The barbarians' god of war. Grants strength to barbarian warriors in battles.

Deneir:

The god of knowledge. Deneir's followers are most numerous at the Edificant Library in the Snowflake mountains, and the most devout have clerical magic, a good example is Cadderly Bounaduce.

Mielikki:

The goddess of the natural order. Presides over and protects nature. Her followers are usually called Rangers. The most famous Ranger is Drizzt Do'Urden (of course!)

Rillifane Rallithil:

The patron god of the forest. Watches over the forest elves and other forest creatures.

Lolth:

An evil and chaotic goddess. Her nickname is the Spider Queen. Her primary followers are the Drow elves. The High Priestesses of the various Houses in Menzoberranzan are fanatically devoted to carrying out Lolth's will.

Cyric:

Much like Lolth, Cyric is a god of evil and destruction. His followers are called Zhents and preside mainly at Darkhold. Recently, however, A Cyric priest named Dag Zoreth took Thornhold, a Paladin holy site, and has made it a base of operations for the Zhents.

Talona:

The goddess of poison, her followers prefer poisoned weapons, such as poison tipped darts, etc. Talona had a huge following at Castle Trinity, but the castle was destroyed when Cadderly Bounaduce and his friends infiltrated Castle Trinity and killed its leader, Allibaster Bounaduce, Cadderly's father.