Neptali Alvaro Gonzales, better known as Neptali Gonzales, Sr., was a Filipino politician who served as the President of the Philippine Senate from 1992 to 1993, 1995 to 1996, and 1998.

The president of the Senate of the Philippines, commonly referred to as the Senate president, is the presiding officer and the highest-ranking official of the Senate of the Philippines, and third highest and most powerful official in the government of the Philippines. They are elected by the entire body to be their leader. The Senate president is second in the line of succession to the presidency, behind only the vice president and ahead of the speaker of the House of Representatives.