The 3rd Utah State Legislature was elected Tuesday, November 8, 1898, and convened on Monday, January 9, 1899.
| Name | Party | District |
|---|---|---|
| Alder, Ferdinand | Republican | 9 |
| Bennion, Harden | 12 | |
| Cannon, Martha H. | 6 | |
| Chambers, Robert C. | 5 | |
| Evans, Abel J. | 7 | |
| Howell, Joseph | 2 | |
| Kiesel, Fred J. | 4 | |
| Nebeker, Aquila | 3 | |
| Nebeker, William G. | 1 | |
| Perry, David H. | 6 | |
| Rideout, David O. | 6 | |
| Robison, Joseph V. | 8 | |
| Shurtliff, Lewis W. | 4 | |
| Smoot, Abraham O. | 7 | |
| Tanner, Rollin R. | 11 | |
| Thomas, Richard K. | 6 | |
| Whitney, Orson F. | Democrat | 6 |
| Wright, Isaac K. | 10 | |
| Name | Party | District |
|---|---|---|
| Bennion, Heber | Democrat | 8 |
| Betts, John E. | Democrat | 11 |
| Bramwell, George W. | 4 | |
| Bywater, Joseph G. | 8 | |
| Callister, Thomas C. | 19 | |
| Christiansen, Parley | 14 | |
| Clyde, James W. | 10 | |
| Cook, David S. | 3 | |
| Crosby, Jesse W. | 23 | |
| Cummings, Horace | 8 | |
| Farr, Aaron F. | 2 | |
| Fisher, John | 6 | |
| Forman, Albert W. | 8 | |
| Fullmer, John H. | 21 | |
| Greenwood, Barnard H. | 18 | |
| Hansen, John E. | 8 | |
| Harris, Charles Z. | 2 | |
| Harris, Nathan J. | 4 | |
| Holmgren, John P. | 1 | |
| Horne, Alice Merrill | Democrat | 8 |
| Ivers, James | 9 | |
| Jackson, Charles M. | 8 | |
| Johnson, Tillman D. | 4 | |
| Lapish, Joseph | 11 | |
| Larsen, Marinus | 11 | |
| Law, Albert A. | 2 | |
| Lloyd, Benjamin T. | 8 | |
| Mansfield, M. W. | 22 | |
| McQuarrie, John G. | 25 | |
| Miller, Reuben G. | 15 | |
| Murdock, John R. | 20 | |
| O'Neil, William | 12 | |
| Parry, John | 24 | |
| Redd, Lemuel H. | 27 | |
| Richards, George F. | 7 | |
| Robertson, Jasper | 16 | |
| Robinson, Joseph E. | 26 | |
| Roylance, William M. | 11 | |
| Shephard, Richard B. | 8 | |
| Smith, Sherman S. | 4 | |
| Sorenson, C. W. | 14 | |
| Stewart, Samuel W. | 8 | |
| Taylor, Lester | 17 | |
| Welch, Charles A. | 5 | |
| Wheeler, Claude V. | 13 | |