The UN chief said he "took note" of Saudi Arabia's announcement that it was concluding airstrikes and expressed concern at the resumption of fighting Wednesday.
He welcomed the Saudi-led coalition's announcement that it supports a quick resumption of the political process in Yemen and the delivery of humanitarian aid.
Ban said he is waiting for "positive responses" from key parties to his choice for a new special envoy to Yemen - widely reported to be the current UN Ebola chief, Ismail Ould Cheikh Ahmed.