Month:

• Brain Injury Awareness Month
• Multiple Sclerosis Education and Awareness Month
• National Bleeding Disorders Awareness Month
• National Colorectal Cancer Awareness Month
• National Endometriosis Awareness Month
• National Kidney Month
• National Nutrition Month
• Problem Gambling Awareness Month
• Save Your Vision Month
• Trisomy Awareness Month

Week:

• National Sleep Awareness Week (March 1–7)
• National School Breakfast Week (March 2–6)
• Patient Safety Awareness Week (March 8– 14)
• National Poison Prevention Week (March 15–21)
• Brain Awareness Week (March 16–22)
• National Drug and Alcohol Facts Week (March 30–April 5)
• National Youth Violence Prevention Week (March 30–April 3)

Day:

• March 2: World Teen Mental Wellness Day
• March 4: World Obesity Day
• March 10: National Women and Girls HIV/AIDS Awareness Day 
• March 12: World Kidney Day
• March 13: World Sleep Day
• March 20: National Native American HIV/AIDS Awareness Day
• March 24: World Tuberculosis Day

Month:

• Sauce Month
• Noodle Month
• National Frozen Food Month
• National Celery Month

Week:

• Salt Awareness Week – (March 8 - March 14)
• National School Breakfast Week (March 2–6)

Day:

• March 1: Peanut Butter Lovers Day 
• March 3: Cold Cuts Day
• March 4: National Pound Cake Day 
• March 4: National Snack Day 
• March 6: National Oreo Day 
• March 7: National Cereal Day 
• March 9: National Meatball Day 
• March 10: Ranch Dressing Day 
• March 13: National Ginger Ale Day 
• March 14: National Potato Chip Day   
• March 14: Pi Day (Pi is (3.14141592...))
• March 18: National Oatmeal Cookie Day 
• March 20: World Flour Day
• March 22: World Water Day
• March 23: National Chip and Dip Day 
• March 24: National Cheesesteak Day 
• March 24: National Cocktail Day 
• March 26: National Spinach Day 
• March 28: Something On A Stick Day
• March 31: National Tater Tot Day 

Month:

• National Athletic Training Month
• National Social Work Month
• National Credit Education Month
• Asset Management Awareness Month

Week:

• National Professional Pet Sitters Week – First Full Week in March
• National Dental Assistants Recognition Week – First Full Week in March
• National Schools Social Work Week – First Full Calendar Week in March
• National Dental Assistants Recognition Week – First Full Week in March
• National Schools Social Work Week – First Full Calendar Week in March
• Women in Construction Week – First Full Week in March
• Women of Aviation Worldwide Week – Week of March 8th

Day:

• March 5: Employee Appreciation Day
• March 6: National Dentist’s Day
• March 10: Registered Dietitian Nutritionist Day
• March 11: National Funeral Director and Mortician Recognition Day 
• March 12: National Girl Scout Day
• March 13: National K9 Veterans Day
• March 16: World Social Work Day 
• March 19: Certified Nurses Day
• March 23: World Meteorology Day
• March 27: International Medical Science Liaison Day
• March 29: National Mom and Pop Business Owners Day
• March 30: National Doctors Day 

Month:

• Deaf History Month (March 13-April 15)
• Irish American Heritage Month
• Women's History Month
• Expanding Girls' Horizons in Science and Engineering Month

Week:

• National Foreign Language Week* (first full week of March)

Day:

• March 8: International Women’s Day
• March 14: Daylight Saving Time
• March 17: Saint Patrick’s Day 
• March 31: Cesar Chavez Day

Week:

• Termite Awareness Week – First Full Week Before Spring
• National Cleaning Week – Begins Fourth Sunday for Seven Days
• World Folklore Tales and Fables Week* (March 20-26)

Day:

• March 3: National I Want You to Be Happy Day
• March 4: National Sons Day
• March 4: National Grammar Day
• March 5: National Day of Unplugging 
• March 8: National Proofreading Day
• March 9: National Get Over It Day
• March 11: National Promposal Day
• March 13: National Good Samaritan Day
• March 14: National Children’s Craft Day
• March 15: National Napping Day 
• March 16: National Panda Day
• March 23: National Puppy Day
• March 22: World Water Day
• March 25: National Medal of Honor Day
• March 28: Respect Your Cat Day
• March 30: Take A Walk in a Park Day
• March 31: National Crayon Day