Lobbying Act can refer to several pieces of legislation governing the lobbying of government:
Lobbying Act (Canada) - Canadian law regarding lobbying of Parliament Lobbying Disclosure Act of 1995 - US law regarding lobbying of the US Congress Transparency of Lobbying, Non-party Campaigning and Trade Union Administration Act 2014 - UK law regarding political and lobbying activities Lobbying (Scotland) Act 2016 - Scottish law regarding lobbying