NPO
Non-Profit Organization

NGO
Non-Governmental Organization

501(c)(3)
A section of the U.S. Internal Revenue Code that designates an organization as a tax-exempt, non-profit entity.

IRS
Internal Revenue Service (U.S. government agency overseeing tax-exempt status)

BOD
Board of Directors

ED
Executive Director

CEO
Chief Executive Officer

CFO
Chief Financial Officer

C3
Referring to 501(c)(3) organizations

FY
Fiscal Year

SBA
Small Business Administration

RFP
Request for Proposal

GR
Grant Writer

FTE
Full-Time Equivalent (often used for staffing and volunteer calculations)

MOU
Memorandum of Understanding