Top 10 Fretless Bass Players
They may play both fretless and fretted bass, but here we are interested only in their fretless bass playing.
Master of bass players. Playing guitar/bass with frets isn't very easy. And its much harder playing bass/guitar without frets. Really great!
The best fretless player. He did not invent it, but damn does he master it.
Best One - WoopaBoopaHoopa7

He invented the modern way of playing fretless
He was the pioneer of the fretless bass.

He is a Dutch bass player, who usually plays metal, especially fast and (or) technical/progressive subgenres of metal.
I've seen him playing a 7-string fretless bass (see the image).
He played for Obscura, Pestilence, and a studio project Ensemble Salazhar.
For example, he played fretless bass on 2 Obscura albums: Cosmogenesis, Omnivium.

He plays metal and jazz.
He's played for these metal bands: Death, Testament, Iced Earth, Obituary, Quo Vadis, Sadus, Charred Walls Of The Damned.
For example, he played fretless bass on the albums 'Individual Thought Patterns' by Death, 'Horror Show' by Iced Earth, and 'Defiant Imagination' by Quo Vadis.
Haunting and subtle with ease the way he made his bass sound
Inspired and inspiring. The man was a genius!
Very inventive master of the art of fretless bass playing.

Insane skills (Augury, Beyond Creation)
The Newcomers
A great welsh fretless bassist. A real pro...
Pino is all about the music

Raise his status up. #15...really?
After Pastorius - he is the best.



Dutch bassist who plays both fretless and fretted bass (progressive, technical metal - Synic, Ne Obliviscaris, and more).

He plays for a famous band (Pearl Jam) but I didn't put him very high because he plays the frettless bass like a fretted one and he rarely employs specific fretless techniques.
I guess he uses frettless bass for its different sound and not so much for its potential in terms of different techniques.
No, it's not John Petrucci of Dream Theater! Their names only look similar.

Yes, he sometimes plays frettless bass but he shouldn't be very high on this list because he can't be called a "master" of fretless playing.
Yes, he plays upright bass.
Yes! His work on "You Can Call Me Al" is sublime.
He's a left-handed player.