Depends, does it have to be NCIS well okay here is my list
Jimmy and Ziva (yeah I know one of the few Tiva still number 1)
pete and Jane (darmah and greg)
phoebe and cole
and more I cannot think of now
Booth & Brennan (Bones) are my OTP! I love them, they are meant to be together. I love Tiva too, they are my OTP after B&B.. ;) I like Grayson and Jules from Cougar town too. :D
Leaving aside other fandoms, I ship quite a few couples. Ahem, I ship:
-McAbby
-Ziva/Roy
-Ziva/Ray
-Ziva/Malachi
-Ziva/Michael (short term only)
-Palmer/Breena
-McGee/Maxine
-Gibbs/Col. Mann
-Gibbs/Borin
-Leon/Jackie
Tiva is my main one. (:
-Booth & Bones.
-Ziva & Gibbs. I know, ewww.
-Logan & Max. It's old, but I'm still hooked.
-Fran & Maxwell Sheffield. Old as well.
-Fran & Elliot. [Happily Divorced.]