This article contains lists of the most common surnames in some of the countries of North America, including one transcontinental country. Countries are arranged in alphabetical order.

Canada

Québec

Top 10 common surnames in Quebec as of 2006.

Costa Rica

Most common surnames in Costa Rica as of 2007.

Cuba

Most common surnames in Cuba.

Dominican Republic

El Salvador

Most common surnames in El Salvador as of 2005.

Guatemala

Most common surnames in Guatemala as of 2015.

Mexico

Below are the most common surnames of Mexico. All of the surnames listed are of Spanish origin.

United States

All figures are for the 2000 United States census, except for the 1990 Rank column, which is for the 1990 United States census. The distribution of U.S. surnames reflects the history of immigration into the country. Many immigrants from non-English-speaking countries Anglicized their names. Some examples are the popular Swedish name Johansson, which was frequently changed to Johnson, and the German Müller, which became Miller. Some very common Swedish names were so similar that only a minor change of spelling was necessary, such as Andersson and Jonsson, which is why these names are much more common in the U.S. than in the United Kingdom. British surnames such as Williams, Jackson, Robinson, Harris, Davis, Brown and Jones are also common among people of non-British descent, such as African Americans due to slavery. Garcia and Martinez represent the rapid growth of several Hispanic communities in the United States. According to the table below, from the 2000 U.S. census, 17.11% of Americans have a surname among the top 100. On the other hand, 13.97% of Americans have a surname that occurs fewer than 100 times in the entire population. The census found the most common surname in the United States – Smith – had fewer than 2.4 million occurrences (making up 0.84% of the general population) and that more than 150,000 surnames would be required to reach more than 89.8% of the US population. The U.S Census Bureau had generated the list of top 1,000 surnames according to the 2010 U.S. census. In the accompanied list of top 10 surnames the #10 is Martinez displacing Wilson. This reflects the anticipated population shift in the United States. During the 2000 U.S. census, the top one 100 surnames in the U.S. were: