January's NameDays in the USA feature a wide array of names, from classic to contemporary, each day celebrating unique appellations. Many entries showcase popular name families, such as the numerous variations of Angel, Jennifer, and Vincent. Names like Robert, Anthony, and Linda also appear in diverse forms, highlighting significant groups. The month reflects a blend of traditional names like Agnes and Anthony with more modern choices like Arlette and Cheyanne. Overall, the list offers a fascinating glimpse into the rich tapestry of names celebrated throughout January.
| Country | Day | Month | Names |
 USA | 1 | January | Arleen, Arlen, Arlene, Arlette, Pablo, Paul, Saul |
| USA | 2 | January | Abel, Abelard, Abella, Abner, Marsten, Marston, Raven |
| USA | 3 | January | Gaynor, Geneva, Genevieve, Guenna, Jenifer, Jenna, Jennie, Jennifer, Jenny |
| USA | 4 | January | Angel, Angela, Angelica, Angelina, Angeline, Angelique, Angelo, Angie, Dangelo, Deangelo, Lewis, Lou, Louie, Louis, Luis |
| USA | 5 | January | Ladarius, Ladd, Laird, Lamont, Lane, Tania, Tanya, Tatiana, Tatyana, Tawni, Tawnya, Tia, Tiana, Tianna, Tonya |
| USA | 6 | January | Cheyanne, Cheyenne, Howell, Hoyle, Kahlil, Khalil, Melchior, Rowan, Talullah, Tiffani, Tiffanie, Tiffany |
| USA | 7 | January | Alda, Aldea, Alden, Aldo, Aldric, Canute, Knut, Knute, Millard, Miller |
| USA | 8 | January | Alvis, Elvis, Severin, Severina, Severne |
| USA | 9 | January | Belinda, Linda, Lindy, Malinda, Melina, Melinda, Minda, Mindee, Mindie, Mindy, Olinda |
| USA | 10 | January | Bethany, Darby, Derby, Dermot, Kermit, Kermore, Rhett |
| USA | 11 | January | Annora, Chaya, Honey, Honora, Honoria, Nora |
| USA | 12 | January | Alain, Alaina, Alan, Alana, Alanna, Alayna, Allan, Allen, Allena, Lana, Lanna |
| USA | 13 | January | Ivette, Veronica, Vonnie, Vonny, Yvette, Yvonne |
| USA | 14 | January | Alair, Felice, Felicia, Felicity, Felix, Hilary, Hillary, Hillery |
| USA | 15 | January | Deidre, Deirdre, Deja, Marten, Martin, Marty |
| USA | 16 | January | Aaliyah, Aleah, Aliyah, Paine, Payne, Phillis, Phyllis, Pilar, Priscilla |
| USA | 17 | January | Anthony, Antoine, Antoinette, Anton, Antonia, Antonio, Antony, Antwan, Ben, Benita, Benito, Benjamin, Bennie, Benny, Toni, Tony |
| USA | 18 | January | Faustina, Faustine, Fraser, Fraze |
| USA | 19 | January | Bob, Bobbi, Bobbie, Bobby, Robbie, Robert, Roberta, Roberto, Robin, Robinson, Robyn |
| USA | 20 | January | Fabia, Fabian, Fabiola, Sebastian, Sebastiana |
| USA | 21 | January | Agnes, Ethan, Inez, Mayer, Maynard, Ynez |
| USA | 22 | January | Enoch, Piper, Vicenta, Vicente, Vince, Vincent, Vincentia, Vincenzo, Vinnie |
| USA | 23 | January | Emerald, Esmeralda, Rachael, Rachel, Rachelle, Rae, Ramon, Ramona, Raquel, Ray, Raymond, Raymundo |
| USA | 24 | January | Oral, Orel, Tim, Timmy, Timon, Timothy, Vera, Verena |
| USA | 25 | January | Amari, Amir, Amira, Amarion, Gwayne, Hakon, Hawk, Jamari, Prince, Princess |
| USA | 26 | January | Aubrey, Conan, Coner, Conner, Connor, Conor, Gonzalo, Paola, Paula, Paulette, Paulina, Pauline |
| USA | 27 | January | Buck, Buckley, Floyd, Keith, Lloyd, Logan |
| USA | 28 | January | Carlotta, Charleen, Charlene, Charlotta, Charlotte, Charmaine, Manfred |
| USA | 29 | January | Gilda, Goldie, Sheldon, Shelley, Shelly, Shelton, Ophrah, Oprah |
| USA | 30 | January | Franklin, Franklyn, Freeman, Fremont, Marteena, Martina, Martine |
| USA | 31 | January | Cyrus, Kira, Kyra, Lona, Loni, Lonnie, Scarlett, Zane |
