The publishing and editorial teams would like to thank the following, for their invaluable service as 2021 reviewers for this journal. We are very grateful for the contributions made. With their help, the journal has been able to publish such high-quality articles:

• Ab Muin, Zafirah
• Abdeen, Fathima
• Abdullah, Shahabudin
• Aderiye, Toyin
• Adewunmi, Yewande
• Adeyemi, Adegbenga
• Adeyemi, Adegbenga
• Adjei-Twum, Anthony
• Ahmad, Nur Azfahani
• Akashah, Farid Wajdi
• Alenka, Temeljotov Salaj 
• Ali, Azlan Shah
• Alraddadi, Sultan
• Amos, Daniel
• Anwar, Yuli
• Appau, Williams
• Appel-Meulenbroek, Rianne
• Asare, Kofi
• Attakora-Amaniampong, Elvis
• Baaki, Kurannen
• Baharom, Mohamad Rizal
• Basha, Rozafa
• Bebber, Suélen
• Bendak, Salaheddine
• Benetti, Marcelo
• Bhattacharya, Sourin
• Bin Hasbollah, Hasif
• Binyaseen, Adel
• Blomberg, Annika
• Brambilla, Andrea
• Brick, Stephanie
• Bull, Melanie
• Butt, Sadia
• Carswell, Andrew
• Carthey, Jane
• Cavada, Marianna
• Chan, Joseph
• Chaveznava Treviño, Carlos
• Chileshe, Nicholas
• Chin, Hon-Choong
• Chongchitpaisan, Wanna
• Choong, Weng Wai
• Collins, Dave
• Cornado, Cossima
• Da Silva, Marcelo
• De Silva, Nayanthara
• Dixit, Manish
• Douglas, Muhammad
• Ebekozien, Andrew
• Edwards, David
• Elwakil, Emad
• Errichiello, Luisa
• Faraji, Amir
• Farouk Kineber, Ahmed
• Flores Colen, I.
• Gao, Shang
• Gou, Zhonghua
• Gunawan, Indra
• Haynes, Barry
• Hebert, Paulette
• Honegger, Franziska
• Hosseini, M. Reza
• Hou, Huiying (Cynthia)
• Ismail, Syazwan Aizat
• Ismail, Zul-Atfi
• Jaafar, Adnin Syaza
• Janhunen, Eerika
• Jayasena, Nimesha
• Jensen, Per
• Johnson, Marietta
• Kamarudin, Hikmah
• Karahan, Ebru
• Khalil, Natasha
• Kim, Yujin
• Klungseth, Nora Johanne
• Knotten, Vegard
• Kwong, Qi Jie
• Ladinski, Vladimir
• Lam, Terence
• Lavy, Sarel
• Lee, Sangwon
• Lesan, Maryam
• Li, Rita Yi Man
• Liias, R.
• Makinde, Olasumbo
• Martens, Yuri
• Matte, Juliana
• Mehrinejad Khotbehsara, Elham
• Meslec, Mihaela
• Mewomo, Modupe
• Mohammad Ali, Irwan 
• Mohd Radzuan, Nor Amin
• Motalebi, Ghasem
• Navarro Bringas, Eduardo
• Nielsen, Susanne
• Nikmehr, Bahareh
• Nord, Natasa
• Norouzian-Maleki, Saeid
• Nourmusavi Nasab, Sara
• Ogbeifun, Edoghogho
• Opoko, Akunnaya
• Ozkan, Aysen
• Petroli, Angela
• Petrusheva, Silvana
• Pun, Kit Fai
• Raborar, Jackie Lou
• Ranganathan, Venkatesan
• Rasheed, Eziaku
• Rezaee, Mohammad
• Saari, Arto
• Said, Shahrul Yani
• Sailer, Kerstin
• Sandanayake, Yasangika Gayani
• Sapri, Maimunah
• Sawalha, Ihab
• Shepley, Mardelle
• Shohet, Igal
• Sing, Michael C. P.
• Singh, Vishal
• Smith, Andrew
• Støre-Valen, Marit
• Uotila, Ulrika
• Van Der Voordt, Dorotheus
• Van Ophem, Johan
• Vega Sanchez, Sergio
• Veuger, Jan
• Vukmirovic, Milena
• Wan Hamdan, Wan Samsul Zamani
• Wang, Yue
• Wee, Siawchui
• Windlinger, Lukas
• Windlinger, Lukas
• Woo, Jin
• Wu, Hao
• Yang, Eunhwa
• Yusof, Norhafezah
• Yusuf, Mahmood
• Zhang, Jing
• Zhao, Jing