In the novel "Moby Dick" what was Captain Ahab's full name?

Captain Ahab Ceely.

If you'll look in Melville's book, Ahab is the only name he has!

Ahab was just Ahab - no 'first' or 'last' name, just like Ishmael, Queequeg, Starbuck, et al

The only instance I can find of a last name for Captain Ahab in Moby Dick is from the 1930 movie starring John Barrymore as Captain Ahab Ceely.

www.IMDb.com also lists Barrymore playing Captain Ahab Ceeley (note the different spelling) in a 1926 movie called The Sea Beast.

There is no indication that Melville's character in the novel had any name other than 'Ahab.'

In the book, before the ship sets sail, one of the owners, Capt. Peleg, says the name Ahab "'Twas a foolish, ignorant whim of his crazy, widowed mother," which would make Ahab a first name.

But all of the characters of authority in the novel -- Capt. Peleg, Capt. Bildad, Capt. Gardiner, Capt. Boomer, Father Mapple, Starbuck -- are addressed by their last name. Indeed, there is today a family of Starbuck, father and son both whaling captains, buried in the Nantucket graveyard, as you can discover on-line.

I think just about everyone who reads the novel takes these names as last names. And even if those names generally were not last names, when it comes to such a forbidding and domineering character as Ahab, who is the very opposite of intimacy and comraderie, I think everyone in Nantucket and on ship would name him by his last name.

I suspect almost all readers take the name Ahab as a last name. Thus in my opinion Melville erred in the content of this little speech to Capt. Peleg, and ought to have given Peleg a speech whose content dealt in some way with the fact that Ahab was the family name of Capt. Ahab's father.