Here's a list of artist websites. I'll update it when I find new ones. It's sorted alphabetically by the first name.
Aaron Beck - https://skul4aface.blogspot.com/
Aaron Sims - http://www.aaron-sims.com
Adam Dougherty - http://www.kreaturekid.com/
Adam Kuczek - http://www.ak-art.net/
Adi Granov - http://www.adigranov.net/
Adrien Van Viersen - http://www.adrienvanviersen.com
Aleksi Briclot - https://aleksi.artstation.com/
Alex Eichhorst - http://www.axeleichhorst.com
Alex Jaeger - http://alxartblog.blogspot.com/
Alex Liclican - http://dropr.com/cosmoretro
Alex Mandra - http://alexmandra.blogspot.com
Alexander Mandradjiev - https://www.artstation.com/mandra
Alfonso de la Torre - http://2tonmantis.blogspot.com
Alp Allen Altiner - http://www.alpaltiner.com
Amy Lynn Umezu - http://www.amyumezuart.com
Andreas Maaninka - http://www.imdb.com/name/nm1323513/
Andrée Wallin - http://www.andreewallin.com/
Andrew Leung - http://anihaus.com
Andrew Menzies - https://www.andrewmenzies.com/
Andrew Probert - http://probertdesigns.com
Andrew Reeder - https://reederdzn.artstation.com/
Andrey Ryabovichev - http://andreiriabovitchev.blogspot.com/
Andrian Luchian - https://andrian_luchian.artstation.com/
Andy Chung - http://acsketch.blogspot.com
Andy Gaskill - https://andygaskill.com
Andy Park - http://www.andyparkart.com
Annis Naeem - https://www.annisnaeem.com/
Arnaud Valette - http://www.arnaudvalette.com
Benton Jew - https://www.bentonjew.com/
Brian Cunningham - http://www.novelgraphic.ca/
Cara Brower - http://carabrower.com
Charlie Wen - http://charliewen.typepad.com
Chris Buchinsky " - http://captzeppelin.wix.com/chris-buchinsky-
" Chris Cunningham - http://www.chriscunningham.com
Chris Foss - http://chrisfossart.com
Christian Lorenz Scheurer - http://www.christianlorenzscheurer.com
Christian Pearce - http://christianpearce.blogspot.com/
Christopher Brändström - https://chriscross.artstation.com/
Christopher S. Ross - http://dezyn.com
Clint Wallace - http://www.clintwallace.com
Constantine Sekeris - http://constantinesekerisdesign.blogspot.com/
Court Chu - http://artblogofcourtchu.blogspot.com/
Dan Fraga - http://fragaboom.blogspot.com
Dane Hallett - http://www.danehallett.com/
Danelle Davenport - http://danelledavenport.blogspot.com/
Daniel Edery - http://3dery.com/
Daniel James Cox - http://danelledavenport.blogspot.com/
Daniel Simon - http://danielsimon.com
Darren Fereday - http://www.darrenfereday.com/
Darrin Denlinger - http://www.imdb.com/name/nm0219291/
David Masson - https://www.artstation.com/davidmassonart
Dawn Brown - http://dawnbrown.net/
Deborah Everton - https://www.deborah-everton.com/
Dermot Power - http://www.dermotpower.com
Didier Konings - https://www.didierkonings.com/
Doug Chiang - https://www.dchiang.com/
Dylan Cole - https://dylan-cole-j5dx.squarespace.com
Ed Natividad - http://ednatividad.com
Edward Eyth - https://www.eeyth.com
Frances Cocorvino - http://francescocorvino.com/
Fred Palacio - http://www.fredpalacio.com
George Hull - http://www.ghull.com
George Jenson - https://www.imdb.com/name/nm0421453/
Gerald Blaise - https://geraldblaise.artstation.com/
Guy Davis - http://www.guydavisartworks.com/
Hans Ruedi "H.R." Giger - http://giger.com
Harald Belker - http://www.haraldbelker.com
Henry Fong - https://www.henryfongdesign.com
Iain McCaig - http://iainmccaig.blogspot.com
Ian Joyner - http://ianjoyner.com
Ivan Khomenko - https://hamen.artstation.com/
Jake Lunt - http://www.jakelunt.com
James Carson - http://jacksonsze.com/index.html
James Chinlund - http://www.jamescarsondesign.com
James Clyne - http://jameschinlund.com/
James Lima - http://www.jamesclyne.com/
James Oxford - http://www.jamesoxford.com
James Rothwell - http://jimrothwell.blogspot.com/
Jamie Rama - http://jamierama.com
Jane Wuu - http://www.janewuart.com/
Jared Krichevsky - http://www.jaredkrichevsky.com/
Jean Henri Gason "Moebius" Giraud - http://www.moebius.fr
Jeff Errico - http://www.storyboardguru.com/home.html
Jeffrey Henderson - http://www.planethenderson.com
Jerad S. Marantz - http://www.jeradsmarantz.blogspot.com
Jill Thompson - http://jillthompsonart.com
Joel Chang - http://www.joelchang.com/
John "Johnny" Eaves - http://johneaves.wordpress.com
John Bell - https://www.johnbell.studio
John Dickenson - http://jdickensonart.com
John Fox - http://www.johnfoxart.com
John Gallagher - https://www.uncannyknack.com/
John Greaves - http://www.johnfoxart.com/
John Staub - http://johnstaub.art/
Jon Jarema - http://www.johngreaves.com
Jonas De Ro - http://www.jonmccoyart.com/
Jonathan Bach - http://www.jonasdero.com
Jonathan Burdeshaw - http://jbachdesign.blogspot.com
Joseph Cross - https://www.artstation.com/josephacross
Josh Nizzi - http://www.joshnizzi.com
Joshua Min - http://joshuamin.com/
Julian Caldow - http://www.krop.com/juliancaldow/
Justin Goby Fields - http://www.justinfields.com
Justin Sweet - http://www.justinsweet.com
Keith Lau - http://www.keithlau.ca
Kelton Cram - http://keltoncram.blogspot.com/
Ken Barthelmey - http://artofken.com
Kerry Gammill - http://gammillustrations.bizland.com
Kev Jenkins - http://kevjenkins.blogspot.com
Kouji Tajima - https://koujitajima.artstation.com/
Mark Bristol - http://markbristol.squarespace.com
Matt Allsop - http://mattallsopp.blogspot.com
Matt Codd - http://mattcodd.com
Matt Millard - https://artstation.com/mattmillard
Matthew Millard - https://mattmillard.artstation.com/
Mauro Borrelli - http://www.mauroborrelli.com
Melissa Encinas - https://melissaencinas.myportfolio.com/
Rob Bliss - http://robbliss.com
Rob McCallum - http://mccallumart.com
Robert D. Brown - http://www.robertdbrown.com
Roberto Fernández Castro - https://www.robertofc.com/
Rodney Fuentebella - http://www.rodneyimages.com/#/
Rodolfo Damaggio - http://damaggio.com/damaggio.com/Welcome.html
Ryan Lang - http://www.ryanlangdraws.com/
Scott Lukowski - http://www.scottlukowski.com
Scott Patton - http://www.scottpattondesign.comstore.html
Seamus McGarvey - http://www.seamusmcgarvey.com
Sean Hargreaves - https://www.seanhargreavesdesign.com
Sean Haworth - http://www.seanhaworth.com
Sebastian Meyer - http://www.sebmeyerart.com
Seth Engstrom - http://sethengstrom.blogspot.com
Shane Baxley - https://www.shanebaxley.com
Simon Murton - http://SimonMurton.com
Stephane Levallois - https://levallois.artstation.com/
Steve HyunSuk Suh - https://ss3d.artstation.com/
Steve Johnson - http://www.stevejohnsonfx.com
Steve Jung - http://www.stevejung.net
Steven Tapping - http://stephentappin.com/
Stevo Bedford - http://www.stevocreative.com/
Tim Browning - http://www.krop.com/timbrowning/
Tim Flattery - http://timflattery.com
Timothy Burgard - http://www.timburgardart.com
Trong-Kim Nguyen - https://www.artstation.com/megatrong
Tully Summers - http://www.tullysummers.com
Vance Kovacs - http://www.vancekovacs.com
Vladimir Spasojevic - https://perspective53.artstation.com/
Warren Drummond - http://warrendrummond.com
Warren Flanagan - http://www.warrenflanagan.com/
Wesley Burt - https://www.instagram.com/wes_burt/
Will Kosman - https://wkosman.artstation.com/
Will Rees - http://www.wilrees.com
William Budge - http://waynebarlowe.wordpress.com
Yvonne Muinde - http://www.yvonnemuinde.com
Zachary Berger - http://artofzachary.com
