This table is generated by XymphBot script rankMappers.php and ranks the top-100 most prolific map authors by their number of map pages on the wiki (state of 2024-12-30 03:32 CST):

Mapper	Map Count
Paul Corfiatis	368
Mike MacDee	186
James Paddock	172
Michael Jan Krizik	154
Matt Powell	152
Alexander S.	150
Alex Decker	148
Scwiba	147
Samuel Villarreal	144
Zachary Stephens	143
Shadowman	128
Walter Confalonieri	128
Richard Frei	127
Stephen Clark	119
Paul DeBruyne	118
Xaser Acheron	117
Joshua O'Sullivan	108
James Caldwell	104
Paul Fleschute	104
TimeOfDeath	102
Brett Harrell	101
Nigel Rowand	99
Pinchy	99
Adam Windsor	97
Sarah Mancuso	97
Daniel Gimmer	95
Erik Alm	95
Jon Vail	95
Nicolás Monti	95
Cheesewheel	91
Josh Sealy	90
Sandy Petersen	83
Tomás Soares	83
Scypek2	79
Snaxalotl	78
BeeWen	77
A2Rob	76
Brayden Hart	76
Matt Cibulas	75
Andrea Gori	72
James Cresswell	72
Jason Root	72
Adam Woodmansey	69
Clippy Clippington	69
Matthew DeCalzadilla	69
Franck Livolant	66
Riderr3	66
ViolentBeetle	66
Benjogami	64
Ian Wilson	64
Seongbae Park	64
TheMightyWhoosh	64
Donnel Enriquez	63
Eugene Guschin	63
Jeffrey Graham	62
Cyriak Harris	61
Daniel Jakobsson	61
Darch	60
Thomas van der Velden	60
Christian Hansen	59
Mike Watson	59
SCF	59
Björn Ostmann	58
Roberto Lopez	58
Christen Klie	57
John Romero	57
Ilya Lazarev	56
James Esquibel	56
LunchLunch	56
NinjaDelphox	55
Alex Scott	54
Darryl Steffen	52
Stuart Rynn	52
TheMionicDonut	52
Arthur O.	51
Rex Claussen	51
Travers Dunne	51
Christopher Lutz	50
Tim Heydelaar	50
BigMemka	49
Sverre André Kvernmo	49
American McGee	48
Emil Brundage	48
Captain Toenail	47
Kristian Aro	47
Matthew Little	47
Sergey Burow	47
Christopher Shepherd	45
Rand Phares	45
Sincity2100	45
Thelokk	45
Anthony Czerwonka	44
Dzyan Kelsick	44
Lihanchi	44
Steven Phares	44
Vostyok	44
Malcolm Sailor	43
Melissa McGee	43
Michael Fraize	43
NoReason	43

This table infers no opinion about mappers, their works, or their wiki coverage. Consider it merely "Fun with bot scripting, part XX". :-)