Grapevines
- M3
- Macalester Alumni Giving Circle
- Macomb County Child Advocacy Center, Inc. (dba: Care House)
- Macon Guys for Good
- Maddie's Circle
- Madeline Svalgard's Giving Circle
- Madison Business Owners for Good
- Madison Professional Women for Good
- Mad Moms
- MA Female Friends Giving Circle
- Maggie and Nicole's Giving Circle
- Maggie’s Giving Circle
- Maglei Tzedek: A Family Giving Circles Initiative
- Magshimim
- mAIDens of Michigan
- Maine Change for 100
- Maine Women's Giving Tree
- Make a Difference
- MAKE IT BLUE!
- Making Accomplished Communities Giving Circle
- Making a Difference Together for Cancer Patients
- Making It Count: The Atlanta Jewish Teen Foundation
- Mama Bears
- Mama Bears Giving Circle (Legacy Collective)
- Manchester Guys for Good
- Manchester Professional Women for Good
- Manny's Promise
- Manobotarkolyansonstha
- Many Faces of Mercy Giving Circle
- Many Hands
- Margaret Bruder's Giving Circle
- Marginally Giving Circle
- Maria & Ellen's Giving Circle
- Maria Ramirez's Giving Circle
- Maria's Circle
- Marin County Women for Good
- Marisa Hetland's Giving Circle
- Marissa Brown's Giving Circle
- Mark D'Agostino's Giving Circle
- Markers For Democracy
- Mark Hammel's Giving Circle
- Martha's Giving Circle
- MaryAnne Maxwell's Giving Circle
- Mary Nicholas's Giving Circle
- Masala Giving Circle (Mid-Atlantic South Asians Leveraging Assets)
- Masala Giving Circle of the Community Foundation of Sarasota County
- Masonic lodge Restoration
- Massachusetts LGBTQ+ Healthcare
- Mates of States
- Mates Who Donate
- Ma Tov (How Wonderful) Tzedakah Collective
- Matthew Lipson's Giving Circle
- Matthew Stein's Giving Circle
- Maverick Collective
- Maya's PA Giving Circle
- Maynor Biggers Artist Fund
- McKinney Guys for Good
- McKinsey Alumni for Change Network*
- Meg Young's Giving Circle
- Melbourne Women's Fund
- Melissa Blaszczyk-Brewer's Giving Circle
- Melissa Mooney's Giving Circle
- Melissa Ramirez's Giving Circle
- Melvin Jackson's Giving Circle
- Memphis Guys for Good
- Men and Women Who Care - Hilton Head Island
- Men's Fund - Vanderburgh
- Mental Health Professionals for Good
- Men Who Care of Manistee Michigan
- Mercy Alliance for Women's Health
- Meridian Global Foundation
- Merrick Jewish Centre Teen Funders
- Meryl Wilsner's Giving Circle
- Mesa Guys for Good
- Mesa Women in Business for Good
- Meta Alumni for Good*
- Metro Atlanta Guys for Good
- Metro Atlanta Next-Gen Women for Good
- Metro Atlanta Women in Business for Good
- Metro Louisville Women in Business for Good
- Miami Guys for Good
- Miami University: Women's Initiatives, Oxford
- M.I.A.M.I. WOMEN (Miami Initiative for Advancing, Mentoring and Investing in Women, Miami University)
- Michael Koch
- Michele Dimuzio's Giving Circle
- Michele Weber's Giving Circle
- Michelle Burnham's Giving Circle
- Michigan Blue Wave
- Michigan Strong
- Microfinance Circle
- Microsoft Alumni for Good*
- Midland 100 Club
- Midland Guys for Good
- Midland Women for Good
- Midwest Blue for AZ
- Midwest Friends
- MI Forward
- Mighty Men Of Valor and Women Of Virtue
- Mike Crane's Giving Circle
- Millennials and Wealth
- Milpitas Women Who Care
- Milton Community Food Pantry
- Milwaukee Guys for Good
- Mind The Gap - Keren Baktana
- Minneapolis Guys for Good
- Minneapolis - St. Paul Professional Women for Good
- Minnesota Freedom Fund Giving Circle
- Minority Mental Health Support
- Minyan Tzedakah: IKAR's family giving circle
- Minyan Tzedakah: IKAR’s Family Giving Circle
- Mission Capital
- Mission Murals
- Missoula Women's Giving Circle
- Missouri Women Who Care
- Mitzvah Power - House Charities - Power Circle
- MN 2022
- MN Professionals Giving Circle
- Mobile Guys for Good
- Mobile Women for Good
- Modesto Guys for Good
- Mohawk Valley Health System
- Moishe Ho(UWS) Giving Circle
- Moishe Kavod Giving Circle
- Molly Cochran's Giving Circle
- Molly Mueller's Giving Circle
- Mom's Body for Change
- Moms for Mental Health
- Moms Working Overtime for Change
- Monadnock Men On A Mission
- Monica Elderkin's Giving Circle
- Monica Korba's Giving Circle
- Monica Meyer's Giving Circle
- Monmouth County Guys for Good
- Montana Women for Good
- Monterey Women for Good
- Montgomery County Professional Women for Good
- Montgomery County Women for Good
- Montgomery Guys for Good
- Montgomery Women for Good
- Mooneen Lecce Giving Circle
- Mooresville Giving Circle
- More than a Woman
- More Than Bootstraps Giving Circle
- More Than Strong
- Morgan Baden & Barry Lyga's Giving Circle
- Morris County Guys for Good
- Morris County Women for Good
- Moscow Women's Giving Circle
- MOTHER FUNDERS
- Mother Goose on the Loose
- Mother Theresa Women’s Giving Circle
- Motor City Recovery Services
- Move the Needle
- Moving Mountains
- Moving the Branch - MN
- MURC
- Murfreesboro Guys for Good
- Music Magic Giving & Action!
- Musizi University in Uganda
- MWG100 Giving Circle
- My Giving Circle
- myTenPercent