"We do not approve of these measures that ignore the rules of global trade", Erdogan said at the Turkey-Venezuela Business Forum alongside Venezuelan President Nicolas Maduro, in Caracas on Monday.
Erdogan and Maduro signed a series of agreements in the areas of mining, commerce and oil.
Prior to leaving for Moscow, Maduro hosted Turkish President Recep Tayyip Erdogan for talks in Caracas, as well senior officials from North Korea and Iran.
Hit by low oil prices, mismanagement, hyperinflation and the impact of U.S. sanctions, Venezuela's economy has plummeted. In response, Erdogan said he was willing to strengthen trade ties.More news: World stocks slip on doubts over trade truce, worries of slowing growth
"You can not punish an entire people to resolve political disagreements", the Turkish leader said, according to an official translation of his speech to a business forum.
Maduro has become increasingly isolated in the world under growing sanctions led by the US and the European Union which accuse him of undermining democratic institutions to hold onto power, while overseeing an economic and political crisis worse than the Great Depression. "We have strong potentials in our economic relations with Venezuela", Erdogan said.
As a result of inefficient economic policies and failed experiments, that Venezuelan consumers in the end pay a high price, which includes the compulsory government-approved cryptocurrency Petro.
The United States and several European nations have sanctioned Maduro's administration in an attempt to pressure Venezuela into making a return to democratic ways.
Erdogan vowed to offer help for Venezuela and he praised Maduro, contrasting the Venezuelan against other world leaders whom he said espouse divisive sentiments.