| Lastname | Firstname | Casefile | Photos | Case Status | Other Crimes | State | City/Town | Country | Date |
| Yagger | Alina M. | leaving a dog in a hot car while shopping at the mall | Alleged | NC | Raleigh | USA | 07/28/2008 | ||
| Yagilniskie | John | 24 beagles die in kennel fire, 11 dogs survive | Alleged | PA | Ashland | USA | 06/06/2008 | ||
| Yakovich | Lynn | dogfighting | Convicted | UT | Salt Lake | USA | 09/00/2002 | ||
| Yanes | Eduardo | Cockfighting | Not charged | FL | Miami | USA | 08/31/1998 | ||
| Yanez | Hugo | Cockfighting - 53 roosters seized | Alleged | SC | Early Branch | USA | 04/18/2009 | ||
| Yang | Chuehue | Cockfighting - 150+ roosters seized, 5 found dead | Alleged | drug trafficking | WI | Wausau | USA | 05/28/2008 | |
| Yang | James Chou | 2 dogs shot dead | Alleged | OK | Webbers Falls | USA | 04/15/2006 | ||
| Yang | Richard Chang | Cockfighting | Alleged | CA | Lompoc | USA | 06/26/2006 | ||
| Yarborough | Lamont | stabbed pitbull to death | Alleged | NY | Middle Island | USA | 01/06/2009 | ||
| Yarbrough | Elmo | Starving 109 dogs | Alleged | AR | White County | USA | 12/20/2002 | ||
| Yarbrough | Melissa | dogfighting - 2 dogs seized, 3 found dead | Alleged | TN | Nashville | USA | 01/21/2008 | ||
| Yarnell | Robert P. | Illegal white tail deer/turkey hunt | Convicted | WI | Blue River | USA | 11/10/2005 | ||
| Yarrington | Christine | 96 dogs, 5 cats seized | Alleged | AR | Lamar | USA | 10/06/2009 | ||
| Yasui | Edward | Cockfighting | Convicted | racketeering | HI | Wailuku | USA | 02/11/2003 | |
| Yates | Antoine | Possession of wild animal | Alleged | NY | New York | USA | 10/04/2003 | ||
| Yates | John Douglas | illegal kennel | Convicted | CA | Snow Creek | USA | 12/00/2003 | ||
| Yates | Lisa Ann | 400+ rabbits found, 200 dead | yes | Alleged | AR | Heber Springs | USA | 01/11/2008 | |
| Yates | Monica | 35 dead &/or severely dehydrated dogs found | Not charged | Federal fraud convictions | VA | Lancastle | USA | 00/00/2007 | |
| Yee | Edward | 110 sharpei dogs seized | yes | Convicted | drug possession | NH | Hooksett | USA | 07/09/1999 |
| Yeomans | Jason | shoots horse, dog | Alleged | MI | Lagrange Township | USA | 07/14/2004 | ||
| Yepiz | Edgar O. | Cockfighting | Alleged | AZ | Tucson | USA | 02/05/2005 | ||
| Yoder | Alan | sexual assault of a guide dog | Alleged | FL | Tallahassee | USA | 06/22/2005 | ||
| Yordan-Torres | Maria A. | High School Teacher & Dog breeder neglects dogs | yes | Civil Citation | MD | Clarksburg | USA | 04/00/2005 | |
| Yordan-Torres | Maria A. | High School Teacher & Dog breeder neglects dogs | yes | Convicted | MD | Clarksburg | USA | 01/04/2006 | |
| York | Daniel M. | shooting 2 dogs, injuring another | Convicted | MI | Mundy Township | USA | 06/12/2006 | ||
| York | Melody | Left 2 border collies tied to trees in the woods | Convicted | NH | Hampstead | USA | 10/12/1996 | ||
| Yoshida | Nancy | dogs tangled in trees during Iditarod | yes | Not Charged | AK | Happy River Gorge | USA | 03/10/2009 | |
| Young | Dexter | Dogfighting ring busted | yes | Convicted | GA | Thomasville | USA | 08/30/2005 | |
| Young | Elouise Jane | 35 cats seized | Not charged | child endangerment | SC | Lockhart | USA | 10/03/2008 | |
| Young | Jo Ellen | abandoning farm animals | Convicted | MI | Bad Axe | USA | 08/05/2004 | ||
| Young | Linda | 2 dogs, 7 cats seized in probation violation | Convicted | probation violation | MD | Frederick | USA | 02/15/2008 | |
| Young | Linda | 45 cats seized | Convicted | probation violation | MD | Frederick | USA | 03/00/2007 | |
| Young | Linda Gail | remains of 1 cat & 1 kitten seized - probation violation | Alleged | probation violation | MD | Frederick | USA | 01/22/2008 | |
| Young | Lionel P. | 32 dogs, 48 horses, ponies, donkeys found | Convicted | WI | New London | USA | 07/03/1998 | ||
| Young | Michael Adam | Set dog on fire | Alleged | NC | Burnsville | USA | 07/04/2002 | ||
| Young | Rebecca Lynn | Fail to provide food, water, shelter | Convicted | VA | Richmond | USA | 11/15/2001 | ||
| Young | Robert Lee | 35 cats seized | Not charged | child endangerment | SC | Lockhart | USA | 10/03/2008 | |
| Young | William | Fail to provide food, water, shelter | Convicted | VA | Richmond | USA | 11/15/2001 | ||
| Young, DVM | John | Veterinarian/Staff Misconduct violations and animal cruelty | License Suspension | IN | Munster | USA | 05/04/1993 | ||
| Young, III | Edward | dogfighting - 13 dogs seized | Alleged | LA | St. James Parish | USA | 10/16/2003 | ||
| Young, Jr | Kenneth Keith | 2 chickens, 1 pitbull mix and her 2 pups living in squalor | Alleged | FL | Tampa | USA | 07/16/2008 | ||
| Young, Jr. | Robert A. | dog stabbed to death with sword | Alleged | animal ordinance violations | VA | Chesapeake | USA | 09/07/2008 | |
| Young, Sr. | John | 47 dogs seized from mobile home | yes | Alleged | disorderly conduct | IL | Colp | USA | 03/19/2008 |
| Youngblood | Christopher D. | 23 donkeys trampled to death | Alleged | FL | Suwanee County | USA | 03/30/2006 | ||
| Youngblood | Suzanna S. | 92 cats found in a trailer | Convicted | CA | Folsom | USA | 12/31/1998 | ||
| Younger | Marc Aaron | dogfighting - 123 people arrested | Alleged | GA | Covington | USA | 01/19/2004 | ||
| Yu | Julie | 30+ cats seized, 3 dead kittens found in mobile home | yes | Alleged | WA | Port Angeles | USA | 10/10/2007 | |
| Yulip | Yulip | 100+ birds found | Alleged | FL | Largo | USA | 05/22/2003 | ||
| Yusko | Janet E. | Attempting to buy 2 horses in probation violation | Alleged | bail jumping | NH | Dover | USA | 07/14/2003 | |
| Yusko | Janet E. | Attempting to buy dog | Alleged | contempt of court | NH | Dover | USA | 06/12/2003 | |
| Yusko | Janet E. | 2 horses, 11 dogs, 25 birds. 4 hamsters seized, dead rabbits found | Convicted | animal cruelty | NH | Dover | USA | 10/25/2002 | |