| Independence Day (Observed) - City offices closed | 07/05/2021 |
| Independence Day (Observed) - City Offices Closed | 07/03/2020 |
| Independence Day Ceremony | 07/04/2021 10:00 a.m. - 11:00 a.m. |
| Iron Pigs Motorcycle Club National Rally | - |
| It Must Be Christmas by David Phelps | 12/05/2020 7:30 p.m. - 10:30 p.m. |
| It’s a Wonderful Life in Broken Arrow - Holiday Kick-Off | 11/18/2021 6:00 p.m. - 8:00 p.m. |
| Jack & the Beanstalk | - |
| Jack-of-All Halloween Fest | 10/13/2023 6:00 p.m. - 11:00 p.m. |
| JESSICA VOSK | 03/24/2023 7:30 p.m. - 10:00 p.m. |
| Jingle Bell Rock | 12/02/2022 6:30 p.m. - 8:30 p.m. |
| Junk-in-the-Trunk Car Show | 10/08/2022 8:00 a.m. - 1:00 p.m. |
| Junk-in-the-Trunk Car Show (tentative) | 09/30/2023 8:00 a.m. - 4:00 p.m. |
| Keep Broken Arrow Beautiful's Plant A Rose event | - |
| Kenneth Hagin Ministries' Camp meeting 2021 | - |
| Kid's Night Out | 10/14/2022 5:00 p.m. - 9:00 p.m. |
| Kids To Park Day- The Lost Dinosaur Scavenger Hunt | 05/21/2022 10:00 a.m. - 7:00 p.m. |
| Kids to Parks Day | 05/21/2022 11:00 a.m. - 1:00 p.m. |
| Kneale Family Aquatic Center Opening at R.C. Dickenson YMCA | 05/27/2023 10:00 a.m. - 6:30 p.m. |
| Korean War Memorial Dedication Ceremony | 03/21/2023 1:00 p.m. - 2:00 p.m. |
| Labor Day - City offices closed | 09/06/2021 |
