40K Ork units in Gorkamorka

Are there rules for 40K Ork unit in Gorkamorka?

40K has units with specific equipment loadouts whereas Gorkamorka works a bit differently. Lots of the rules linked to here will be for specific equipment, unless someone has decided to write faction rules for a particular unit type.

HQ

40K UnitRules
BeastbossNo rules
Beastboss on SquigosaurNo rules
Big Mek in Mega ArmourCirrus the Blue's mega armour rules
Big Mek with Kustom Force FieldCirrus the Blue's KFF rules
Big Mek with Shokk Attack GunNo rules
Deffkilla WartrikeNo rules
PainbossBad Dok Dreggutz (special character in Digganob)
WarbossNo rules
Warboss in Mega ArmourNo rules
WeirdboyDoghouse's Weird Boy Rules or Liam Stanway's rules
WurrboyNo rules
Goff RokkerNo rules
Warboss on WarbikeNo rules
Big MekNo rules
Big Mek on WarbikeNo rules

(Troops are already in Gorkamorka, we didn't forget them)

Elites

40K UnitRules
Burna BoyzBurnas or Garbonk's rules
KommandosLiam Stanway's rules
MeganobzSee Garbonk's Mega Armour rules
MekEvery Gorker/Morker mob has at least one Spanna Boy (Da Uvver Book)
Nob with Waaagh! BannerNo rules
NobzEvery Gorker/Morker mob is lead by a Nob (Da Uvver Book)
PainboyLiam Stanway's rules
RuntherdGorkers/Morkers can hire Slaverz (Da Uvver Book)
TankbustasCirrus the Blue's bombsquig and blasta hamma rules
Painboy on WarbikeNo rules

Fast Attack is a bit trickier as various vehicles already exist and it's more a matter of the specific armament for some of these.

Fast Attack

40K UnitRules
Boomdakka SnazzwagonsNo rules
DeffkoptasDeff From Above
Kustom Boosta-blastasNo rules
Megatrakk ScrapjetsNo rules
Nob on Smasha SquigNo rules
Rukkatrukk SquigbuggiesNo rules
Shokkjump DragstasNo rules
Squighog BoyzSnortas
StormboyzRokkit Paks or Cirrus the Blue's rules
WarbikersOutlaw MCs
Grot Mega-tankNo rules
Grot TanksTank Corps
Nobz on WarbikesOutlaw MCs
Grot Bomm LaunchaNo rules

Few of these really work within the context of Gorkamorka (see Doom Fortress Syndrome):

Heavy Support

40K UnitRules
Battlewagon/Bonebreaka/GunwagonFirebase #6 Part Two or James' rules
Deff DreadsDoghouse's Deff Dreads (see also Hunt Da Dread)
Flash GitzSnazzgunz and Freebooters
Hunta RigNo rules
Kill RigNo rules
Killa KansFirebase #6 Part Two or Garbonk's rules
LootasNo rules
Mek GunzNo rules
Big TrakkBasically an Ork trukk with tracks
KannonwagonNo rules
Looted ‘Eavy WagonNo rules
Mega DreadNo rules
Meka-DreadNo rules
SquiggothFirebase #6 Part Two
Big GunzGarbonk's rules
Lifta WagonCirrus the Blue's Lifta-Droppa rules

Airborne things are a bit trickier to balance as shooting isn't particularly powerful in Gorkamorka:

Flyers

40K UnitRules
Blitza-bommerNo rules
Burna-bommerNo rules
DakkajetNo rules
Wazbom BlastajetNo rules
Attack FightaNo rules
Chinork WarkoptaDeff From Above
Fighta-bommerNo rules

Doom Fortress Syndrome also applies to these:

Lords of War

40K UnitRules
GorkanautNo rules
MorkanautNo rules
StompaNo rules
Battle FortressFirebase #6 Part Two
Gargantuan SquiggothNo rules
Kill TankNo rules
Kustom StompaNo rules
Kill KrushaNo rules

These are mostly included on this page for the sake of completeness:

Named 40K characters

40K UnitRules
Boss SnikrotNo rules
Boss ZagstrukNo rules
Da Red GobboOriginates as a Rebel Grot special character in Digganob.
Da Red Gobbo on BouncaNo rules
Ghazghkull ThrakaNo rules
Kaptin BadrukkNo rules
Mad Dok GrotsnikNo rules
MakariNo rules
Mozrog SkragbadNo rules
Zodgrod WortsnaggaNo rules
Grukk Face-rippaNo rules
Mek Boss BuzzgobNo rules
Skrak’s Skull-NobzNo rules
Zhadsnark da RipperNo rules

There are also a number of units that used to exist in 40K or existed in Epic and similar:

Other Stuff

40K UnitRules
BoarboyzGorkasnorta
Feral OrksFeral Orks
MadboyzNo rules
Mekboy SpeedstasNo rules