In a statement, the Malaysian Foreign Ministry said: "The government of Malaysia strongly condemns the bomb blasts in Brussels."
"These cowardly attacks are a reminder of the need for countries to unite and counter threats posed by extremism," Prime Minister Najib Razak said via Twitter.
The Pakistani government also condemned this terrorist act in the strongest terms and expressed solidarity with the government and the people of Belgium.
"Pakistan sympathizes and offers its condolences to the bereaved families and the Belgian government and prays for the speedy recovery of those injured in the terrorist attack," said a Pakistan Foreign Ministry statement.
Egypt's Foreign Ministry spokesperson Ahmed Abu Zeid said in a press release that terrorism does not differentiate between religions, races or borders.
"The world should take a firm stand to tackle the international terrorism that targets the security and stability of nations and hinders the progress of human civilization," he said.
Afghan President Mohammad Ashraf Ghani also expressed sympathy with the government and people of Belgium. "The explosions in Brussels today, have proved that terrorists are the common enemy of human beings and do not recognize any border."
Turkish Prime Minister Ahmet Davutoglu said, "I curse the attacks in Brussels, which have once again shown the global face of terror."
Davutoglu added "I invite all of humanity to stand united against global terror and any sort of terrorism."
Meanwhile, Syria's Foreign ministry said that the attacks in Brussels, in Paris and elsewhere are reminders that terrorism has no boundaries, urging the international community to do more to counter the threat of terror and stop the flow of support to the jihadi groups in Syria.
At the same time, Australian Foreign Minister Julie Bishop released a statement condemning "the coordinated terror attacks" in Belgium. She said in the statement that "Our thoughts and sympathies are with the people of Belgium."
Canadian Prime Minister Justin Trudeau also expressed his outrage on the terrorist attacks in Brussels.
"Canada stands by Belgium in this difficult time and will continue to work closely with our allies and the international community to help fight and prevent terrorism here and abroad," he said.