Butler Football Transfers - 2021
| Name | Hometown | School | Conference |
| Adarius Thomas | Newton, GA | Eastern Illinois | Ohio Valley |
| Karter Johnson | Pickerington, OH | Pittsburgh | ACC |
| Darius Lasiter | Lawrence, KS | Eastern Michigan/BYU | Mid-American |
| Gavin Screws | Jacksonville, FL | Indiana State | Missouri Valley |
| Tavian Mayo | Leesburg, GA | Buffalo | Mid-American |
| Jordan Kempf | Kemp, TX | Idaho State | Big Sky |
| Nickendre Stiger | Wichita, KS | Kansas State | Big 12 |
| Caden Cox | Wichita, KS | Univ. Texas Permian Basin | Heartland (D2) |
| Crimmons Hankinson | Augusta, GA | Valdosta State | Gulf South |
| Tywonne Harris | Baton Rouge, LA | Northern Colorado | Big Sky |
| Jaydon Green | Norfolk, NE | McNeese State | Southland |
| Zach Wittenberg | El Dorado, KS | Kansas State | Big 12 |
| Cam Stoudamire | Portland, OR | Alcorn State | Southwestern Athletic |
| Kam'Ron Green | Bradenton, FL | North Alabama | Atlantic Sun |
| Brayden Bryant | Ardmore, OK | North Dakota/San Diego State | Summit League/Mountain West |
| Cooper Lovelace | Prairie Village, KS | USC/Northwestern | PAC-12/Big 10 |
| Seth Falley | Haysville, KS | Middle Tennessee | Conference USA |
| Shaylon Roberts | Pfluggerville, TX | Missouri State | Missouri Valley |
| Ryan Williams | Haven, KS | Arkansas Monticello | Great American |
| Colten Cable | Tulsa, OK | Western Kentucky | Conference USA |
| Flavio Gonzales | Tucson, AZ | Oregon State | PAC-12 |
| Francisco Calderon | Lawrence, KS | Southern Utah | Big Sky |
| Kyle Thomas | Chesapeake, VA | Akron | Mid-American |
Other Years: 2024, 2023, 2022, 2021, 2020, 2019, 2018, 2017, 2016, 2015, 2014, 2013, 2012, 2011, 2010, 2009, 2008, 2007, 2006, 2005, 2004, 2003, 2002, 2001, 2000, 1999, 1998