The US Embassy in a message said: "Our thoughts and prayers go out to all affected by this serious accident.”
British High Commissioner to Bangladesh Robert Chatterton Dickson also expressed his deepest sympathy to the victims.
"Deepest sympathy to the victims of the launch capsize in Buriganga River this morning. Thoughts and prayers with their families and friends," he tweeted.
The French Embassy in Dhaka, in a separate message, expressed deep shock and sorrow at the loss of lives in the launch capsize.
The Embassy also conveyed its deep sympathy to their families.
Earlier in the day, the Dhaka-bound ‘MV Morning Bird’ launch from Munshiganj sank in the river after being hit by another launch ‘Mayur-2’ near Shyambazar in the capital’s old town.
The death toll from the launch-capsize climbed to 32 until the evening.
President Abdul Hamid and Prime Minister Sheikh Hasina expressed profound shock at the loss of lives in the launch capsize.
They also prayed for the departed souls and expressed sympathy to the bereaved families.