He announced a month ago he had contracted the coronavirus, and died on Tuesday after three weeks in a coma in an Israeli hospital in Jerusalem.
To some Palestinians and as well as some in the international community and on the Israeli Left, he was a figure of unwavering commitment to peace.
Israeli and world leaders eulogize the chief Palestinian negotiator.
"The departure of the brother and the friend, the great fighter Saeb Erekat, represents a big loss for Palestine and for our people," said Abbas.
In his demands about how peace should be reached and his acceptance of terrorism as legitimate, Erekat's legacy may be one of preventing a Palestinian Israeli peace rather than fostering it.
The readers of The Jerusalem Post have their say.
Erekat was admitted to the hospital earlier this week after suffering from coronavirus for the past month.
He fought for peace, but never lived to see it
Even if healed by Israeli doctors, the Palestinian propagandist will continue to slander Israel.
Why are there no hospitals under Palestinian Authority rule to which the gravely suffering Erekat and his family can turn?