Next on my series of alphabetical horse names is the letter J! These are my top ‘J’ names by far!
Female Horse Names Starting with the Letter J:

| Jewel | Jackie |
| Joy | J-Lo |
| Jade | Jamaica |
| Jasmine | Jazzy |
| Java | July |
| Journey | Jolly |
| June | Jesse |
| Jelly | Juliet |
| JoJo | Jodi |
| Jillian | Jilly |
Male Horse Names Starting with the Letter J:

| Justify | Jupiter |
| Jester | Jack |
| Joker | Jack Sparrow |
| Jerry | Jack Daniels |
| Jackpot | Jagger |
| Jaguar | Jasper |
| Jazz | Jose |
| Jinx | James |
| Jingle | Juan |
| Joe | Johnny |
| Joyride | Jimbo |
| Jumbo | Jimmy |
| Jumper | Justin |
| Junior | Jones |
| Jurassic | Jonathan |
| Justice | Juno |
| Jake | Japan |
| Jingle-bells | Jaxon |
| Jeep | Joel |
| Jedi | James Bond |
| JalapeƱo | JigSaw |
| Jonas | Johnny Cash |
Funny Horse Names Starting with the Letter J:

| Jaw Dropper | Jumper Jack |
| Jelly | Jiminy Cricket |
| Jellyfish | Jellybeans |
| Jitterbug | Jelly Belly |
| Jiggles | Just Lean In |
| Just A Jerk | Jaw Dropping |
| Just In Time | Just Look At Her |
| Just My Type | Just Look At Him |
| Just My Style | Jenga |
| Jonas Brother | Jetta |
| Just Stay Away | Jennifer Anniston |
| Just Flirtin’ | Just Kidding |
| Just Because | Just Playin’ |
| Just In My Dust | Just Joking |
| Jumping Jacks | Just In Jeans |
