It is however unclear if the proposal can find the required backing among the EU’s 27 member states.
“For the sake of the children, for the sake of humanity, this must stop,” Ms von der Leyen said.
About 20 of the 48 hostages being held by Hamas were believed to still be alive.
In the past 24 hours, 75 bodies and 370 wounded were received at hospitals.
The Hamas-controlled health authority in Gaza says more than 61,700 Palestinians have been killed.
“You are the only one of us that cannot be denied entry,” the U.S. singer wrote on social media platform X late on Monday.
A majority of people in Germany support recognising a Palestinian state, according to a new poll, a move the federal government currently rejects.
According to Israeli assessments, there are still 50 hostages in Gaza, of whom 20 are believed to be alive.
The Israeli government on Tuesday said it would allow a limited number of approved Palestinian traders to facilitate aid distribution in the embattled Gaza Strip.
Before Israel tightened its blockade in March, around 500 trucks were entering Gaza daily.
