There was only one David named in The Bible.
His name occurs over 1000 times in the Hebrew Scriptures (Old Testament)
For a in-depth discussion, see the attached link.
I am going to answer your question with an instruction so you can figure out how many Davids are in the Bible. Get a Strong's concordance/dictionary and look up the word translated David.
673
142
956
one
There are 956 men mentioned in the bible.
120 men were named dodos in the new American and holy bible
There were probably two men named Lazarus.
i think only one. jeremiah the prophet.
.44
There are hundreds of men mentioned in The Bible.
There are hundreds of men mentioned in the Bible.
David
This is not enumerated in the Bible. While the apostles are named and counted as 12, there are no references to how many disciples there were, although we do know they were not all men - the women were also disciples.
David Samson Job
Solomon