I found these website for Hong Kong China, and second one was translated below, thanks to ChatGPT. (and added the number of players for each discipline)
If it is right, 34 total. (16 M 18 F). Below it with 35 athletes means one additional substitute for table tennis women team.
https://hongkongfp.com/2024/07/10/35-hong-kong-athletes-to-compete-in-13-events-at-2024-paris-olympics/
https://gbcode.rthk.hk/TuniS/app7.rthk.hk/special/olympics2024/article.php?aid=41#p1
2024 Paris Olympics Hong Kong, China Team (Updated July 10)
Swimming Representatives (1 Male, 6 Female, 7 Total)
何甄陶: male 50m freestyle
张心悦: female 200m backstroke
何诗蓓: female 100m, 200m, 400m freestyle & 100m breaststroke
简绰桐: female 4x100m freestyle relay, medley relay
谭凯琳: female 4x100m freestyle relay, medley relay
郑莉梅: female 4x100m freestyle relay, medley relay
欧铠淳: female 4x100m freestyle relay, medley relay
Fencing Representatives (2 Male, 2 Female, 4 Total)
张家朗: male foil individual
陈诺思: female foil individual
何玮桁: male epee individual
江旻憓: female epee individual
Table Tennis Representatives (1 Male, 3 Female +1 substitute, 4 total)
黄镇廷: male singles, mixed doubles
杜凯琹: female singles, mixed doubles, female team
朱成竹: female singles, female team
李皓晴: female team
吴咏琳: female team (substitute)
Badminton Representatives (2 male, 4 female, 6 total)
卢善恩: female singles
杨霈霖: female doubles
杨雅婷: female doubles
李卓耀: male singles
邓俊文: mixed doubles
谢影雪: mixed doubles
Cycling Representatives (1M, 1F, 2Total)
李思颖: female omnium, female road race
刘允佑: male road race
Windsurfing Representatives (1M, 1F, 2Total)
郑清然: male iQFOiL
马君正: female iQFOiL
Sailing Representatives (3 Male)
贝俊龙 (Nicholas Halliday): male ILCA 7
阿辉 (Akira Sakai): male 49er
祥杰 (Russell Aylsworth): male 49er
Rowing Representatives (1 Male)
赵显臻: male single sculls
Gymnastics Representatives (1 Male)
石伟雄: male vault
Taekwondo Representatives (1 Male)
卢蔚丰: male under 68kg
Judo Representatives (1 Female)
王嘉莉: female under 48kg
Triathlon Representatives (1 Male)
伍泰龙: male
Athletics Representatives (1 Male)
刁俊稀: male 100m