What presidents have used the line item veto?

No, not anymore. Congress passed The Line Item Veto Act of 1996, but the US Supreme Court declared the law unconstitutional in Clinton v. New York City, (1998), because they considered it to be a violation of Article I, Section 7 of the Constitution. The Constitution vests Congress with the power to craft legislation; the President can sign, or refuse to sign, only the entire packaged bill.

Several State Governors have this power,