31 indexed careers with a surname starting I.
| Player | Years | H | HR | K | Feats |
|---|---|---|---|---|---|
| Chris Iannetta | 2006–2019 | 820 | 141 | 0 | 1 |
| Andy Ibanez | 2021–2026 | 288 | 28 | 0 | |
| Raul Ibanez | 1996–2014 | 2,034 | 305 | 0 | 3 |
| Jose Iglesias | 2011–2025 | 1,212 | 54 | 0 | |
| Raisel Iglesias | 2015–2026 | 4 | 0 | 921 | |
| Tadahito Iguchi | 2005–2008 | 494 | 44 | 0 | 2 |
| Shota Imanaga | 2024–2026 | 0 | 0 | 435 | |
| Pete Incaviglia | 1986–1998 | 1,043 | 206 | 0 | |
| Ender Inciarte | 2014–2022 | 875 | 42 | 0 | |
| Jonathan India | 2021–2026 | 606 | 74 | 0 | 1 |
| Omar Infante | 2002–2016 | 1,427 | 82 | 0 | |
| Brandon Inge | 2001–2013 | 1,165 | 152 | 0 | |
| Scotty Ingerton | 1911–1911 | 129 | 5 | 0 | 2 |
| Jeff Innis | 1987–1993 | 0 | 0 | 192 | |
| Dane Iorg | 1977–1986 | 455 | 14 | 2 | |
| Garth Iorg | 1978–1987 | 633 | 20 | 0 | 1 |
| Hideki Irabu | 1997–2002 | 3 | 0 | 405 | |
| Cole Irvin | 2019–2026 | 2 | 0 | 439 | |
| Jake Irvin | 2023–2026 | 0 | 0 | 461 | 1 |
| Monte Irvin | 1938–1956 | 1,090 | 143 | 0 | 2 |
| Charlie Irwin | 1897–1902 | 669 | 7 | 0 | |
| Kyle Isbel | 2021–2026 | 381 | 29 | 0 | |
| Frank Isbell | 1898–1909 | 1,059 | 13 | 19 | 1 |
| Kazuhisa Ishii | 2002–2005 | 18 | 1 | 435 | 1 |
| Travis Ishikawa | 2006–2015 | 241 | 23 | 0 | |
| Jason Isringhausen | 1995–2012 | 21 | 2 | 830 | 1 |
| Mike Ivie | 1971–1983 | 724 | 81 | 0 | 2 |
| Hisashi Iwakuma | 2012–2017 | 0 | 0 | 714 | 2 |
| Akinori Iwamura | 2007–2010 | 413 | 16 | 0 | |
| Cesar Izturis | 2001–2013 | 1,103 | 17 | 0 | |
| Maicer Izturis | 2004–2014 | 810 | 39 | 0 |