| 1 十月 | 2023年香港沿徑定向入圍賽(速決賽) Hong Kong Trail Orienteering Qualification 2023 (Temp O) |  Orienteering Association of Hong Kong, China | Hong Kong | T | nat | | T | | |
| 7 十月 | 補賽：賽馬會「再闖男天」計劃 : 男天起動 x 親子城市定向賽 |  Hong Kong Orienteering Club | Hong Kong | | loc | T | M | | |
| 14 十月 | 獅子會自然教育中心定向郊野體險日Lions Nature Education Centre Orienteering Fun Day |  Agriculture, Fisheries and Conservation Department
 Metropolitan Orienteering Club
Orienteering Association of Hong Kong, China | Hong Kong | | nat | | S | | |
| 14 十月 | Y2Y公園定向巡迴賽2023 - 第十二站【荃灣公園】 | Y2Y Park Orienteering Tournament 2023 - Stage 12 [Tsuen Wan Park] |  Y2Y Orienteering Development and Training Centre | Hong Kong | | loc | | S | | |
| 15 十月 | Str8 x TerraX Sprint Orienteering Tournament 2023 Round 9 cum Hong Kong Orienteering Ranking League Sprint | Str8 x TerraX 短途定向巡迴賽 2023 第九回合 暨 香港定向排名聯賽 - 短距離 |  TerraX Sports Club | Hong Kong | | loc | | S | |  |
| 15 十月 | 馬鞍山公園定向同樂日 Ma On Shan Park Orienteering Fun Day |  Leisure and Cultural Services Department
Orienteering Association of Hong Kong, China
TerraX Sports Club | Hong Kong | | nat | | S | | |
| 15 十月 | 2023年香港沿徑定向入圍賽 (精確賽) Hong Kong Trail Orienteering Qualification 2023 (Pre O) | Orienteering Association of Hong Kong, China
 Orienteering Seeds HK | Hong Kong | T | nat | | P | | |
| 21 十月 | 香港單車館公園定向同樂日 Hong Kong Velodrome Park Orienteering Fun Day | Leisure and Cultural Services Department
Metropolitan Orienteering Club
Orienteering Association of Hong Kong, China | Hong Kong | | nat | | S | | |
| 22 十月 | 2023香港週年定向錦標賽 (中距離) Hong Kong Annual Orienteering Championships 2023 (Middle) |  Akinalliance
Orienteering Association of Hong Kong, China | Hong Kong | | nat | | M | | |
| 22 十月 | 寶康公園公園定向同樂日 Po Hong Park Orienteering Fun Day | Hong Kong Orienteering Club
Leisure and Cultural Services Department
Orienteering Association of Hong Kong, China | Hong Kong | | nat | | S | | |
| 23 十月 | Str8 x TerraX Sprint Orienteering Tournament 2023 Round 10｜Str8 x TerraX 短途定向巡迴賽 2023 第十回合 | TerraX Sports Club | Hong Kong | | club | | S | | |
| 28 十月 | 香港仔郊野公園定向郊野體驗日 Aberdeen Country Park Orienteering Fun Day | Agriculture, Fisheries and Conservation Department
Orienteering Association of Hong Kong, China
TerraX Sports Club | Hong Kong | | nat | | S | | |
| 28 十月 | 北區公園定向同樂日 North District Park Orienteering Fun Day |  Apex Action
Leisure and Cultural Services Department
Orienteering Association of Hong Kong, China | Hong Kong | | nat | | S | | |
| 29 十月 | 2023香港週年定向錦標賽(長距離) Hong Kong Annual Orienteering Championships 2023 (Long) | Orienteering Association of Hong Kong, China | Hong Kong | | nat | | L | | |
