This lecture will discuss, broadly, the relevance of gender in economic relations, processes, and outcomes. It will draw on insights not just from gender and feminist economics, but also from the newly developed and rapidly growing field of the economics of sexual orientation. Studying the role of sexual orientation in the economy tells us not just about the economic situation of LGBT people, but can also shed light on the ways in which gender operates in economic relations. The lecture will make connections between insights from economics, gender studies, sociology, business, and more.