List of special covers released by Kerala Postal Circle in 2021
| Sl No: | Theme/Name | Date of Release | Serial No | Place of release |
| 1 | Indian Coir | 22-01-2021 | KL-01/2021 | Vembanad Kayal BO |
| 2 | Palm Leaf Manuscripts of Kerala, Guruvayur | 23-01-2021 | KL-02/2021 | Guryuvayur |
| 3 | 25th International Film Festival of Kerala | 29-01-2021 | KL-03/2021 | Thiruvananthapuram |
| 4 | Gender Park Complex, Calicut, For A Just And Equal Society | 11-02-2021 | KL-04/2021 | Marikkunnu |
| 5 | Energy Management Centre-Kerala | 20-02-2021 | KL-05/2021 | Thiruvananthapuram |
| 6 | International Women’s Day | 08-03-2021 | KL-06/2021 | Thiruvananthapuram |
| 7 | Naval Institute of Educational and Training Technology, Kochi,50 Years | 25-04-2021 | KL-07/2021 | Kochi Naval Base PO |
| 8 | Malabar Special Police, 100 Years | 28-06-2021 | KL-08/2021 | Kaudiar |
| 9 | St.Thomas Major Archiepiscopal Shrine, Palayur | 03-07-2021 | KL-09/2021 | Palayur |
| 10 | St.Albert’s College Platinum Jubilee, Ernakulam | 16-07-2021 | KL-10/2021 | Ernakulam North |
| 11 | The Kasaragod Weaver’s Co-op P & Society Ltd, Vidyanagar – GI Tag | 07-08-2021 | KL-12/2021 | Vidyanagar |
| 12 | Kuthampully Handloom Weaver’s Co-operative Society – GI Tag | 07-08-2021 | KL-13/2021 | Kuthampully |
| 13 | Thekkumuri Kummatti Mahotsava Sangamam | 23-08-2021 | KL-14/2021 | Thrissur HO |
| 14 | Maraiyur Jaggery – Anchunadu Karimbu Ulpadhana Vipanana Sangham – GI Tag | 31-08-2021 | KL-15/2021 | Maraiyur |
| 15 | Tirur Vettila Ulpadaka Sangham, Tirunavaya – GI Tag | 13-09-2021 | KL-16/2021 | Tirur |
| 16 | IIM Kozhikkode-Celbrating 25 Years | 16-09-2021 | KL-11/2021 | IIM Campus PO |
| 17 | St.Theresa’s Kappal Palli ( Ship Church ) Eravu, Arimpur | 01-10-2021 | KL-18/2021 | Arimpur |
| 18 | Cochin Smart Mission Ltd. | 06-10-2021 | KL-20/2021 | Kaloor |
| 19 | Screw Pine craft of Kerala(GI) | 12-10-2021 | KL-17/2021 | Thazhava |
| 20 | Kolloorvila Service Co-operative Bank, Vadakkevila | 12-10-2021 | KL-22/2021 | Vadakkevila |
| 21 | Chendamangalam Handloom Weavers’Cooperative Society Ltd. | 12-10-2021 | KL-31/2021 | Chendamangalam |
| 22 | K Kelappan(Unsung Hero) | 13-10-2021 | KL-23/2021 | Kozhikkode |
| 23 | Accamma Cherian(Unsung Hero) | 13-10-2021 | KL-24/2021 | Kanjirappally |
| 24 | Aranmula Kannadi(GI) | 13-10-2021 | KL-29/2021 | Aranmula |
| 25 | Central Travancore Jaggery(GI) | 13-10-2021 | KL-30/2021 | Tiruvalla |
| 26 | Palakkadan Matta rice(GI) | 13-10-2021 | KL-27/2021 | Palakkad |
| 27 | Navara Rice(GI) | 13-10-2021 | KL-28/2021 | Palakkad |
| 28 | Sree Kumara Gurudevan, Eraviperoor | 16-10-2021 | KL-32/2021 | Eraviperoor |
| 29 | Sree Wadakkanathan Temple, Thrissur | 16-10-2021 | KL-34/2021 | Thrissur HO |
| 30 | Paramekkavu Rajendran | 16-10-2021 | KL-35/2021 | Thrissur HO |
| 31 | CMS Press Bicentenary, Kottayam | 18-10-2021 | KL-33/2021 | Kottayam |
| 32 | Vakkom Muhammad Abdul Khader Moulavi(UH) | 28-10-2021 | KL-25/2021 | Trivandrum |
| 33 | Swadeshabhimani Ramakrishna Pillai(UH) | 28-10-2021 | KL-26/2021 | Trivandrum |
| 34 | Thrissur Pulikkali – Ayanthole Desam Pulikkali Organising Committe | 29-10-2021 | KL-37/2021 | Ayyanthole |
| 35 | Malabar Kaipad Farmers’ Society, Ezhome P.O, Kannur – GI Tag | 30-10-2021 | KL-36/2021 | Payangadi |
| 36 | Chengalikodan Banana Growers Association, Erumapetty – GI Tag | 01-11-2021 | KL-38/2021 | Erumapetty |
| 37 | St.Joesph’s Parish Shrine, Pavaratty | 01-11-2021 | KL-39/2021 | Pavaratty |
| 38 | Cochin University of Science and Technology, 50 years of Celebrating Knowledge | 03-11-2021 | KL-40/2021 | Ernakulam |
| 40 | Nilambur Teak Heritage Society – GI Tag | 17-11-2021 | KL-41/2021 | Nilambur |
| 41 | 103rd Year of the Divine Penance of Bhramasree Subhananda Gurudev | 18-11-2021 | KL-44/2021 | Cherukole |
| 42 | Alappuzha Heritage Project | 20-11-2021 | KL-45/2021 | Alappuzha HO |
| 43 | Ms.Anna Modayil Mani – INTROMET – 2021 | 23-11-2021 | KL-46/2021 | Cochin University PO |
| 44 | Prof.R.Ananthakrishnan – INTROMET -2021 | 23-11-2021 | KL-47/2021 | Cochin University PO |
| 45 | Prof.P.R.Pisharody – INTROMET -2021 | 23-11-2021 | KL-48/2021 | Cochin University PO |
| 46 | Malabar Regional Co-op Milk Producers Society, Birth Centenary of Milkman | 29-11-2021 | KL-42/2021 | Kunnamangalam |
| 47 | Universal Health Coverage 2021 – State Health Agency Kerala | 10-12-2021 | KL-50/2021 | TVM GPO |
| 48 | National Institute of Technology, Calicut, Celebrating 60 Years | 13-12-2021 | KL-49/2021 | NIT Calicut PO |
| 49 | Maddalam of Palakkad – GI Tag | 27-12-2021 | KL-51/2021 | Palakkad HO |
| 50 | Press Club Kottayam, Golden Jubilee | 27-12-2021 | KL-54/2021 | Kottayam |
| 51 | Balaramapuram Sarees and Fine Cotton Fabrics – GI Tag | 29-12-2021 | KL-21/2021 | Balaramapuram |
| 52 | Panimoola Devi Temple, Androorkonam, Pothencode | 30-12-2021 | KL-52/2021 | Trivandrum GPO |
| 53 | Holy Cross Major Archiepiescopal Pligrim Church, Nadavayal | 30-12-2021 | KL-53/2021 | Nadavayal |
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