The Israeli military declared on Thursday that the West Bank would be closed off for 48 hours, but demonstrators still gathered in towns across the occupied territory.
In the town of Jenin, taxi drivers gathered in their vehicles to call for an end to the Israeli offensive which has already killed more than 1,130 Palestinians.
Protests have been held across the world every day since the aerial bombardment began on December 27.
In Kuwait on Friday, more than 5,000 people chanted slogans in support of the Palestinian Hamas movement after Friday prayers before marching to the parliament building.
"Arabs should use oil and their huge wealth to secure an end to the bloodshed," Nasser al-Sane, a Kuwaiti MP, told the gathering.
"It is shameful that they [Arab leaders] are holding a summit while there are Israeli flags still flying in Arab countries."
Up to 2,000 Palestinian refugees gathered at the Yarmouk camp in Damascus, the Syrian capital, trampling Israeli flags and chanting slogans against the Gaza conflict.
Indian police used tear gas to disperse protesters in Kashmir, while in Jakarta, the Indonesian capital, some protesters urged Muslim nations to send troops to Gaza.