| Your Precious Pet's Names |
| Ice | Ichabod | Ida | Idris | Iggy | Igloo | Ignacia |
| Igor | Ila | Illabunda | Ilona | Ilse | Ima | Imelda |
| Inca | Inch | Incitatus | Indi | India | Indiana | Indra |
| Indy | Ingram | Inkling | Inky | Inspector | Inu | Iola |
| Ira | Irene | Iris | Irish | Irving | Isaac | Isabella |
| Ishmael | Ishtar | Isis | Ismay | Isolda | Isolde | Italics |
| Ivan | Ivanhoe | Ivory | Ivy | Izzy | ||