Maria Jamina Katherine Baltazar Agarao-Oloroso (born December 6, 1987) also known as Jam Agarao is a Filipina nurse and politician and Member of the Philippine House of Representatives from Laguna's 4th District since June 30, 2022, and Member of the Laguna Provincial Board from the 4th District from 2019 to 2022.

In 2019 elections Agarao ran for Member of the Laguna Provincial Board and won by 156,588.

In 2022 elections Agarao run for congresswoman for Laguna's 4th District to succeed her father incumbent congressman Benjamin Agarao Jr. who was running for Mayor of Santa Cruz Agarao won 153,495 her opponent is former Mayor of Santa Maria Atty.

Antonio "Tony" Carolino who got 153,267 the margin of the votes was 228.

She is the youngest and first female Representative of 4th District of Laguna.