What party is Trump?

Excuse me, could you clarify your question? Are you asking about President Donald Trump's political party affiliation? If so, President Trump is a member of the Republican Party in the United States. The Republican Party is one of the two major political parties in the United States, alongside the Democratic Party. It advocates for conservative policies on social and economic issues, such as reducing government spending, limiting taxes, and protecting traditional values. Is there anything else you would like to know about President Trump's political party affiliation?