Records: Championship
Cobb County Championships Swim and Dive Records
Boys Swim & Dive County Championship Records (Yards):
| Event | Time | Year | School | Athlete(s) |
| 200 Medley Relay | 1:34.38 | 2013 | Lassiter | Bunner, Bridgers, Yoder, Marshall |
| 200 Freestyle | 1:37.81 | 2021 | Mt. Paran | Mitchell Norton |
| 200 Individual Medley | 1:50.38 | 2006 | Sprayberry | Dillon Connolly |
| 50 Freestyle | 20.27 | 2021 | Mt. Paran | Mitchell Norton |
| 1 Meter, 11 Dives | 552.75 | 2021 | Harrison | Alex Scott |
| 100 Butterfly | 48.80 | 2021 | Hillgrove | Tommy Bried |
| 100 Freestyle | 45.10 | 2021 | Mt. Paran & Kennesaw Mt. | Mitchell Norton & Ben McClain |
| 500 Freestyle | 4:29.19 | 2013 | Lassiter | Jimmy Yoder |
| 200 Freestyle Relay | 1:26.11 | 2021 | Kennesaw Mt. | Reason, Ware, Enabnit, McClain |
| 100 Backstroke | 49.32 | 2021 | Mt. Paran | Mitchell Norton |
| 100 Breaststroke | 55.80 | 2008 | Sprayberry | Dillon Connolly |
| 400 Freestyle Relay | 3:07.91 | 2020 | Kennesaw Mt. | McClain, Reason, Haigh, Lowe |
Girls Swim & Dive County Championship Records (Yards):
| Event | Time | Year | School | Athlete(s) |
| 200 Medley Relay | 1:45.12 | 2009 | Walton | Reisinger, Jackson, Palermo, Graber |
| 200 Freestyle | 1:49.58 | 2016 | Walton | Emma Cole |
| 200 Individual Medley | 1:59.15 | 2022 | Lassiter | Elizabeth Tilt |
| 50 Freestyle | 23.45 | 2017 | Walton | Evan Arsenault |
| 1 Meter, 11 Dives | 554.90 | 2021 | Allatoona | Hannah Stumpf |
| 100 Butterfly | 53.30 | 2022 | Lassiter | Elizabeth Tilt |
| 100 Freestyle | 50.65 | 2011 | Lassiter | Samantha Bosma |
| 500 Freestyle | 4:48.71 | 2009 | Pope | Kelsey Gaid |
| 200 Freestyle Relay | 1:34.72 | 2017 | Walton | Cox, Williams, Hoffman, Arsenault |
| 100 Backstroke | 55.41 | 2021 | Mt. Bethel | Hampton Gucky |
| 100 Breaststroke | 1:02.36 | 2022 | Walton | Elizabeth Isakson |
| 400 Freestyle Relay | 3:27.39 | 2017 | Walton | Hoffman, Gauntt, Cox, Arsenault |
