National Brock Day is celebrated every May 18 to honor individuals named Brock, a name of English origin meaning 'badger.' While predominantly a masculine name, there are some female Brocks as well. The name has seen a decline in popularity and currently ranks as the 1,384th most common name in the United States, with a higher prevalence among White males. Celebrations typically include greeting and befriending those named Brock, as well as spreading awareness about the day. The name is most common in North Dakota, although California has the largest concentration of residents named Brock. The day recognizes the significance of the name and its cultural presence, particularly in the U.S., Canada, and the United Kingdom.