This list of Hispanic last names starting with N or O is based on the 2010 United States census.
We have only included “N” or “O” surnames where at least 60% of the holders declared that they were Hispanic.
Table of Contents
Notes About Our Hispanic List
The U.S. census of 2010 included a question that asked if the person was “Spanish / Hispanic/ Latino”.
We used a cutoff of 60% to ensure that the last names were typically Hispanic.
Columns
The table shows you the number of people of this surname who declared on the census that they were Hispanic.
The next column shows the total number of people bearing that name. The percentage of Hispanic names is a simple calculation of the second column divided by the third.
The final column shows how common the surname is in the United States. For example, Ortiz is ranked #68.
Links To Other Lists Of Hispanic Names
We have a list of Hispanic names for each letter of the alphabet. Click on any letter below to follow a link.
Can’t Find A Surname That You Know?
The surname may have fallen under our 60% threshold for holders declaring themselves as Hispanic.
You can use our surname ranking tool, which shows you where any last name ranks in the U.S. census.
Hispanic Last Names Beginning With N
| Last Name | # Who Declared Hispanic | # Total Holders | % Declared Hispanic | Rank In U.S. |
| Nadal | 757 | 1,211 | 62.51% | 21,553 |
| Najar | 2,646 | 3,296 | 80.28% | 9,821 |
| Najarro | 1,233 | 1,331 | 92.64% | 20,076 |
| Najera | 17,414 | 18,340 | 94.95% | 1,971 |
| Nambo | 1,084 | 1,130 | 95.93% | 22,689 |
| Nanez | 1,667 | 1,839 | 90.65% | 15,827 |
| Napoles | 2,495 | 2,784 | 89.62% | 11,335 |
| Naranjo | 14,340 | 15,658 | 91.58% | 2,328 |
| Narez | 910 | 965 | 94.30% | 25,572 |
| Narvaez | 9,591 | 10,579 | 90.66% | 3,373 |
| Natal | 2,342 | 3,190 | 73.42% | 10,095 |
| Natera | 842 | 910 | 92.53% | 26,747 |
| Nava | 37,195 | 39,670 | 93.76% | 874 |
| Navar | 953 | 1,042 | 91.46% | 24,137 |
| Navarette | 1,297 | 1,558 | 83.25% | 17,942 |
| Navarrete | 22,983 | 24,259 | 94.74% | 1,471 |
| Navarrette | 3,045 | 3,489 | 87.27% | 9,334 |
| Navarro | 87,970 | 99,807 | 88.14% | 315 |
| Navas | 4,157 | 4,953 | 83.93% | 6,809 |
| Navedo | 845 | 900 | 93.89% | 26,949 |
| Navejas | 689 | 709 | 97.18% | 32,438 |
| Navia | 751 | 836 | 89.83% | 28,525 |
| Nazario | 5,792 | 6,636 | 87.28% | 5,258 |
| Negrete | 14,371 | 15,245 | 94.27% | 2,384 |
| Negron | 16,767 | 18,413 | 91.06% | 1,963 |
| Last Name | # Who Declared Hispanic | # Total Holders | % Declared Hispanic | Rank In U.S. |
| Neira | 1,846 | 2,125 | 86.87% | 14,139 |
| Neria | 797 | 1,000 | 79.70% | 24,874 |
| Nerio | 995 | 1,072 | 92.82% | 23,647 |
| Nevarez | 15,687 | 16,607 | 94.46% | 2,188 |
| Neyra | 735 | 877 | 83.81% | 27,481 |
| Nicasio | 1,027 | 1,183 | 86.81% | 21,940 |
| Niebla | 817 | 853 | 95.78% | 28,065 |
| Nieblas | 1,029 | 1,177 | 87.43% | 22,026 |
| Nieto | 23,211 | 25,701 | 90.31% | 1,376 |
| Nieves | 32,202 | 34,896 | 92.28% | 1,004 |
| Nino | 9,908 | 11,202 | 88.45% | 3,224 |
| Noboa | 860 | 944 | 91.10% | 25,989 |
| Nodarse | 723 | 788 | 91.75% | 29,822 |
| Nogales | 857 | 947 | 90.50% | 25,935 |
| Noguera | 1,874 | 2,237 | 83.77% | 13,551 |
| Nogueras | 660 | 736 | 89.67% | 31,453 |
| Noguez | 813 | 863 | 94.21% | 27,818 |
| Nolasco | 10,438 | 11,609 | 89.91% | 3,102 |
| Noriega | 13,186 | 14,559 | 90.57% | 2,477 |
| Nova | 2,184 | 2,928 | 74.59% | 10,886 |
| Novelo | 695 | 827 | 84.04% | 28,777 |
| Novoa | 3,945 | 4,281 | 92.15% | 7,756 |
| Noyola | 4,093 | 4,279 | 95.65% | 7,759 |
| Nuncio | 940 | 1,085 | 86.64% | 23,432 |
| Nunez | 116,225 | 125,350 | 92.72% | 242 |
| Nungaray | 1,168 | 1,204 | 97.01% | 21,648 |
| Nuno | 6,138 | 6,506 | 94.34% | 5,348 |
Hispanic Last Names Beginning With O
| Last Name | # Who Declared Hispanic | # Total Holders | % Declared Hispanic | Rank In U.S. |
| Obando | 3,061 | 3,404 | 89.92% | 9,551 |
| Obeso | 996 | 1,069 | 93.17% | 23,691 |
| Obregon | 5,606 | 6,172 | 90.83% | 5,630 |
| Ocampo | 20,854 | 25,720 | 81.08% | 1,374 |
| Ocana | 1,880 | 2,064 | 91.09% | 14,468 |
| Ocanas | 1,135 | 1,207 | 94.03% | 21,609 |
| Ocasio | 8,554 | 9,293 | 92.05% | 3,815 |
| Ocegueda | 1,855 | 1,900 | 97.63% | 15,418 |
| Oceguera | 3,486 | 3,599 | 96.86% | 9,081 |
| Ochoa | 74,027 | 78,677 | 94.09% | 408 |
| Ocon | 1,991 | 2,337 | 85.19% | 13,115 |
| Ogando | 908 | 985 | 92.18% | 25,171 |
| Ojeda | 20,645 | 22,045 | 93.65% | 1,633 |
| Olague | 2,584 | 2,827 | 91.40% | 11,185 |
| Olalde | 1,820 | 1,927 | 94.45% | 15,255 |
| Olan | 814 | 1,099 | 74.07% | 23,205 |
| Olarte | 777 | 1,080 | 71.94% | 23,515 |
| Olavarria | 995 | 1,101 | 90.37% | 23,167 |
| Olaya | 805 | 888 | 90.65% | 27,228 |
| Olea | 3,875 | 4,447 | 87.14% | 7,492 |
| Olguin | 9,713 | 10,660 | 91.12% | 3,356 |
| Oliva | 14,418 | 19,513 | 73.89% | 1,835 |
| Olivar | 1,012 | 1,456 | 69.51% | 18,808 |
| Olivares | 22,692 | 23,982 | 94.62% | 1,490 |
| Olivarez | 8,866 | 9,720 | 91.21% | 3,660 |
| Last Name | # Who Declared Hispanic | # Total Holders | % Declared Hispanic | Rank In U.S. |
| Olivas | 18,439 | 20,106 | 91.71% | 1,785 |
| Olivencia | 870 | 945 | 92.06% | 25,975 |
| Olivera | 7,347 | 9,108 | 80.67% | 3,896 |
| Oliveras | 2,358 | 2,591 | 91.01% | 12,042 |
| Olivero | 1,233 | 1,842 | 66.94% | 15,806 |
| Oliveros | 3,732 | 4,624 | 80.71% | 7,217 |
| Olivo | 8,556 | 10,483 | 81.62% | 3,412 |
| Olivos | 811 | 849 | 95.52% | 28,176 |
| Olmeda | 2,099 | 2,298 | 91.34% | 13,271 |
| Olmedo | 5,468 | 5,768 | 94.80% | 5,967 |
| Olmo | 1,490 | 1,879 | 79.30% | 15,564 |
| Olmos | 9,307 | 9,895 | 94.06% | 3,596 |
| Olveda | 674 | 718 | 93.87% | 32,123 |
| Olvera | 26,195 | 27,551 | 95.08% | 1,275 |
| Onate | 1,602 | 1,838 | 87.16% | 15,833 |
| Onofre | 2,919 | 3,099 | 94.19% | 10,396 |
| Ontiveros | 15,438 | 16,382 | 94.24% | 2,225 |
| Oquendo | 4,967 | 5,455 | 91.05% | 6,263 |
| Orantes | 2,402 | 2,507 | 95.81% | 12,399 |
| Ordaz | 7,410 | 7,753 | 95.58% | 4,578 |
| Ordones | 796 | 812 | 98.03% | 29,171 |
| Ordonez | 16,691 | 18,498 | 90.23% | 1,952 |
| Orduna | 2,230 | 2,435 | 91.58% | 12,683 |
| Orduno | 2,247 | 2,347 | 95.74% | 13,081 |
| Orea | 1,281 | 1,383 | 92.62% | 19,527 |
| Last Name | # Who Declared Hispanic | # Total Holders | % Declared Hispanic | Rank In U.S. |
| Oregel | 1,389 | 1,414 | 98.23% | 19,200 |
| Oregon | 962 | 1,071 | 89.82% | 23,662 |
| Orejel | 860 | 888 | 96.85% | 27,228 |
| Orellana | 25,489 | 26,651 | 95.64% | 1,319 |
| Orengo | 966 | 1,066 | 90.62% | 23,737 |
| Orihuela | 1,373 | 1,483 | 92.58% | 18,584 |
| Ornelas | 21,359 | 22,969 | 92.99% | 1,568 |
| Orona | 5,473 | 6,145 | 89.06% | 5,649 |
| Oropeza | 6,714 | 7,082 | 94.80% | 4,965 |
| Orosco | 7,419 | 8,313 | 89.25% | 4,273 |
| Orozco | 63,110 | 65,904 | 95.76% | 512 |
| Orrego | 800 | 869 | 92.06% | 27,678 |
| Orta | 7,027 | 7,820 | 89.86% | 4,535 |
| Ortega | 118,488 | 127,256 | 93.11% | 239 |
| Ortegon | 1,952 | 2,166 | 90.12% | 13,938 |
| Ortez | 3,370 | 3,762 | 89.58% | 8,720 |
| Ortis | 1,170 | 1,584 | 73.86% | 17,709 |
| Ortiz | 267,132 | 286,899 | 93.11% | 68 |
| Ortuno | 1,970 | 2,058 | 95.72% | 14,495 |
| Osegueda | 1,257 | 1,382 | 90.96% | 19,538 |
| Oseguera | 4,322 | 4,470 | 96.69% | 7,455 |
| Osoria | 950 | 1,001 | 94.91% | 24,855 |
| Osorio | 27,781 | 29,482 | 94.23% | 1,199 |
| Osornio | 2,113 | 2,169 | 97.42% | 13,922 |
| Osorno | 775 | 849 | 91.28% | 28,176 |
| Last Name | # Who Declared Hispanic | # Total Holders | % Declared Hispanic | Rank In U.S. |
| Osorto | 978 | 1,002 | 97.60% | 24,838 |
| Ospina | 3,520 | 3,774 | 93.27% | 8,697 |
| Osuna | 6,971 | 7,601 | 91.71% | 4,666 |
| Otano | 682 | 738 | 92.41% | 31,383 |
| Otero | 18,609 | 20,937 | 88.88% | 1,716 |
| Ovalle | 7,191 | 7,698 | 93.41% | 4,610 |
| Ovalles | 1,445 | 1,561 | 92.57% | 17,911 |
| Ovando | 1,528 | 1,631 | 93.68% | 17,331 |
| Oviedo | 7,666 | 8,145 | 94.12% | 4,362 |
| Oyervides | 695 | 744 | 93.41% | 31,184 |
| Oyola | 1,905 | 2,051 | 92.88% | 14,532 |
| Ozuna | 5,894 | 6,327 | 93.16% | 5,499 |
