Another 33 national parks and 3 marine parks are in the process of creation, and are scheduled to be officially gazetted in the future.
| Name | Province | Area (km²) | Date created |
|---|---|---|---|
| North | |||
| Thung Salaeng Luang | Phitsanulok, Phetchabun | 1,262.4 | |
| Nam Nao | Phetchabun | 966 | |
| Doi Inthanon | Chiang Mai | 482.4 | |
| Doi Khuntan | Lamphun, Lampang | 255.29 | |
| Lan Sang | Tak | 104 | |
| Ramkhamhaeng | Sukhothai | 341 | 1980 |
| Doi Suthep-Pui | Chiang Mai | 261.06 | |
| Sri Satchanalai | Sukhothai | 213.2 | 1981 |
| Mae Ping | Lamphun, Tak, Chiang Mai | 1,003.75 | |
| Wiang Kosai | Phrae, Lampang | 410 | |
| Namtok Mae Surin | Mae Hong Son | 396.6 | |
| Taksin Maharat | Tak | 149 | |
| Klong Lan | Kamphaeng Phet | 300 | |
| Phu Hin Rong Kla | Phitsanulok, Loei | 307 | |
| Mae Yom | Phrae | 454.75 | |
| Mae Wong | Kamphaeng Phet, Nakhon Sawan | 894 | 1987 |
| Namtok Chat Trakan | Phitsanulok | 543 | |
| Chae Son | Lampang | 768 | |
| Sri Lanna | Chiang Mai | 1,406 | |
| Doi Luang | Chiang Rai, Phayao, Tak | 1,170 | |
| Klomg Wang Chao | Kamphaeng Phet, Tak | 747 | |
| Aob Luang | Chiang Rai | 553 | |
| Sa La Win | Mae Hong Son | 721.52 | |
| Khun Chae | Chiang Rai | 270 | |
| Huay Nam Dang | Chiang Mai | 1,252.12 | |
| Lam Nam Nan | Phrae, Uttaradit | 999.15 | |
| Yab Mog | Phetchabun | 290 | |
| Mae Moei | Tak | 185.28 | |
| Doi Phukha | Nan | 1,704 | |
| Mae Phang | Chiang Mai | 524 | |
| Phu Zang | Chiang Rai, Phayao | 284.88 | |
| Chiang Dao | Chiang Mai | 1,154.92 | |
| Mae Wa | Lampang, Tak | 587 | |
| North-East | |||
| Khao Yai | Nakhon Ratchasima, Saraburi, Prachinburi | 2,168.635 | |
| Phu Kradung | Loei | 348.12 | |
| Phu Phan | Sakhon Nakhon, Kalasin | 664.70 | |
| Phu Rua | Loei | 120.84 | |
| Tat Ton | Chaiyaphum | 217.18 | |
| Kaeng Tana | Ubon Ratchathani | 80 | |
| Thab Lan | Nakhon Ratchasima, Prachinburi | 2,235.80 | |
| Phu Kao-Phu Phan Kam | Khon Kaen | 322 | |
| Phu Chong-Na Yoi | Ubon Ratchathani | 686 | |
| Huay Huat | Nakhon Phanom, Sakhon Nakhon, Mukdahan | 828.56 | |
| Mukdahan | Mukdahan | 48.5 | |
| Phu wiang | Khon Kaen | 325 | |
| Phu Pha Man | Loei, Khon Kaen | 340 | |
| Pha Tam | Ubon Ratchathani | 350 | |
| Phu Sa Dok Bua | Ubon Ratchathani, Yasothon, Mukdahan | 231 | |
| Sai Thong | Chaiyaphum | 319 | |
| Na Haew | Loei | 117.16 | |
| Ta Pha Ya | Srakaeo, Buriram | 594 | |
| Khao Pravihan | Ubon Ratchathani, Sisaket | 130 | |
| Nam Phong | Khon Kaen, Chaiyaphum | 197 | |
| Central and East | |||
| Namtok Phlew | Chanthaburi | 134.5 | |
| Erawan | Kanchanaburi | 549.98 | |
| Khao Chamo-Khao Wong | Rayong, Chanthaburi | 83.68 | |
| Khao Khitchakut | Chanthaburi | 58.310 | |
| Chaloem Rattanakosin | Kanchanaburi | 59 | |
| Sai Yok | Kanchanaburi | 500 | |
| Pra Budda Chai | Saraburi | 44.57 | |
| Kaeng Krachan | Phetchaburi, Prachuap Khiri Khan | 2,914.70 | |
| Khaoen Sri Nakarin | Kanchanaburi | 1,532 | |
| Pang Sida | Srakaeo, Prachinburi | 844 | |
| Khao Laem | Kanchanaburi | 1,497 | |
| Phu Toei | Suphanburi | 317.48 | |
| Kuiburi | Prachuap Khiri Khan | 969 | |
| Namok Huay Yang | Prachuap Khiri Khan | 161 | |
| South | |||
| Khao Luang | Nakhon Si Thammarat | 570 | |
| Khao Sok | Surat Thani | 738.74 | |
| Khao Panom Benja | Krabi | 50.12 | |
| Khao P-Khao Ya | Phattalung | 694 | |
| Sri Phang-nga | Phang Nga | 246.08 | |
| Namtok Yong | Nakhon Si Thammarat | 205 | |
| Khao Nam Khang | Songkhla | 212 | |
| Kaeng Krung | Surat Thani | 541 | |
| Tai Rom Yen | Surat Thani | 425 | |
| Bang Lang | Yala | 261 | |
| Namtok Ngao | Ranong, Chumphon | 668 | |
| Budo-Sungai Padi | Narathiwat, Pattani, Yala | 341 | 1974 |
| Namtok Si Khid | Nakhon Si Thammarat, Surat Thani | 145 | |
| Klong Phanom | Nakhon Si Thammarat | 410.40 | |
| not yet gazetted | |||
| Mai Ta Khai | Chiang Mai | ||
| Aob Khan | Chiang Mai | ||
| Doi Wiang Pha | Lampang | ||
| Tham Phathai | Lampang | ||
| Doi Phaklong | Phrae | ||
| Klong Tron | Uttaradit | ||
| Sri Nan | Nan | ||
| Doi Phunang | Phayao | ||
| Mae Tho | Chiang Mai | ||
| Namtok Pacharoen | Tak | ||
| Kaeng Jegquar | Phitsanulok, Uttaradit | ||
| Khun Khan | Chiang Mai | ||
| Mae Ngao | Mae Hong Son, Tak, Chiang Mai | ||
| Pa Mae Paem | Chiang Rai, Phayao | ||
| Pu Soidao | Uttaradit | ||
| Mae Charim | Nan | ||
| Mae Wang | Lampang, Lamphun | ||
| Mae Phasa | Tak | ||
| Khunnan | Nan | ||
| Nunthaburi | Nan | ||
| Thong Pha Phum | Kanchanaburi | ||
| Lam Klong Ngu | Kanchanaburi | ||
| Namtok Klong Kaew | Trat | ||
| Pa Hin Ngam | Chaiyaphum | ||
| Phu Lang Ka | Nong Khai | ||
| Phu Pha Lek | Sakhon Nakhon, Ubon Ratchathani | ||
| Phu Lang Ka | Chaiyaphum | ||
| Namtok Sai Khao | Pattani, Yala, Songkhla | ||
| Khao Nan | Nakhon Si Thammarat | ||
| Sun Gala Khiri | Yala, Songkhla | ||
| Namtok Shipo | Pattani, Narathiwat | ||