Here is a list of all the March comic and anime conventions that I could find. This also has video and tabletop gaming, as well as other pop culture events. While I make every effort to find as many as possible, it is always possible that I missed a few.
| Convention Name | State | Dates |
| Diecast Super Convention | Nevada | March 2-5 |
| Intercon U | Rhode Island | March 2-5 |
| SaltCON Spring | Utah | March 2-5 |
| AggieCon | Texas | March 3-5 |
| Astronomicon | Michigan | March 3-5 |
| CincyCon | Ohio | March 3-5 |
| Tennessee Game Days | Tennessee | March 3-5 |
| CoastCon | Mississippi | March 3-5 |
| Escapade | California | March 3-5 |
| Waifu Expo | Texas | March 3-5 |
| #LonestarProud | California | March 4 |
| Cardboard*Con | Georgia | March 4 |
| DuPage Comic Con | Illinois | March 4 |
| Fairfax Comic Con | Virigina | March 4 |
| North Dallas Toy Show | Texas | March 4 |
| Not Just Another Horror Con | Arkansas | March 4 |
| Sunrise Comic Con | Florida | March 4 |
| AlienCon Pasadena | California | March 4-5 |
| Hill Country Comicon | Texas | March 4-5 |
| New England Toy and Record Super Show | New Hampshire | March 4-5 |
| PeoriaCon | Illinois | March 4-5 |
| QuadCon Omaha | Nebraska | March 4-5 |
| Retro Expo | Texas | March 4-5 |
| Vegas Toy Show | Nevada | March 4-5 |
| Buckeye Comic Con | Ohio | March 5 |
| SW-FloridaCon | Florida | March 5 |
| Dice Tower West | Nevada | March 8-12 |
| Granite Game Summit | New Hampshire | March 9-12 |
| Colorado Anime Fest | Colorado | March 10-12 |
| Fur the ‘More | Virginia | March 10-12 |
| PrinceCon | New Jersey | March 10-12 |
| Gateway FurMeet | Missouri | March 10-12 |
| Louisville Arcade Expo | Kentucky | March 10-12 |
| Monster-Mania Con | New Jersey | March 10-12 |
| Nerdi Gras | Georgia | March 10-12 |
| TFcon Los Angeles | California | March 10-12 |
| Great Plains Gaming Fest | Nebraska | March 10-12 |
| UFOXPO | New Mexico | March 10-12 |
| World Steampunk Exposition | Louisiana | March 10-12 |
| ShushCon | South Carolina | March 10-12 |
| The Crawling Chaos Con | Massachusetts | March 11 |
| ACEcon | Florida | March 11-12 |
| Alamo Hero Con | Texas | March 11-12 |
| FantastiCon Toledo | Ohio | March 11-12 |
| Louisiana Comic Con | Louisiana | March 11-12 |
| Mississippi Anime Fest | Mississippi | March 11-12 |
| Morphinominal | Texas | March 11-12 |
| QuadCon Davenport | Iowa | March 11-12 |
| Cleveland Comic Book & Nostalgia Show | Ohio | March 12 |
| Madison Comic Con | Wisconsin | March 12 |
| All-Con 2023 | Texas | March 16-19 |
| Fox River Mall Collectibles Show | Wisconsin | March 16-19 |
| Texas Furry Fiesta | Texas | March 16-19 |
| WOWCon Beyond | Texas | March 17-18 |
| Collective Con | Florida | March 17-19 |
| Kikori Con | Arizona | March 17-19 |
| Marmalade Dog | Michigan | March 17-19 |
| Permian Basin Comic Con X | Texas | March 17-19 |
| Simcon | New York | March 17-19 |
| TokenCon | Oklahoma | March 17-19 |
| CarrierCon | California | March 18 |
| ClarksvilleCon | Tennessee | March 18 |
| My-Con | Florida | March 18 |
| Power Comicon | South Carolina | March 18 |
| ScottyCon | Pennsylvania | March 18 |
| Anime Impulse San Diego | California | March 18-19 |
| Brickworld Indianapolis | Indiana | March 18-19 |
| Playthrough | North Carolina | March 18-19 |
| Sac Comic-Con | California | March 18-19 |
| QuadCon Rochester | Minesota | March 18-19 |
| Stranger Con Los Angeles | California | March 18-19 |
| Route 110 Comic Show | New York | March 19 |
| Frederick Comic Con | Maryland | March 19 |
| AdeptiCon | Illinois | March 22-26 |
| Lexington Comic & Toy Convention | Kentucky | March 23-26 |
| Gary Con | Wisconsin | March 23-26 |
| PAX East | Massachusetts | March 23-26 |
| EvilleCon | Indiana | March 24-26 |
| Fan Expo Cleveland | Ohio | March 24-26 |
| GalaxyCon | Virginia | March 24-26 |
| HorrorHound Weekend – Cincinnati | Ohio | March 24-26 |
| Isekai Anime Con | Utah | March 24-26 |
| Motor City Furry Con | Michigan | March 24-26 |
| Toylanta | Georgia | March 24-26 |
| WonderCon | California | March 24-26 |
| Woods Flock | Tennessee | March 24-26 |
| FallsCon | Texas | March 24-26 |
| Zenkaikon | Pennsylvania | March 24-26 |
| Comic Arts – San Antonio | Texas | March 25 |
| Verde Valley Comic Expo | Arizona | March 25 |
| Swampcon | Florida | March 25-26 |
| Animarathon | Ohio | March 25-26 |
| Big Apple Comic Con | New York | March 25-26 |
| BrickUniverse Memphis | Tennessee | March 25-26 |
| KingKon | New Jersey | March 25-26 |
| WillowCon | Nebraska | March 25-27 |
| Comic Book & Non-Sports Card Show | Virginia | March 26 |
| QuadCon St Charles | Missouri | March 26 |
| SWFL Retro | Florida | March 26 |
| CabbageCon | Ohio | March 30 – April 2 |
| MegaCon Orlando | Florida | March 30 – April 2 |
| Squatchcon | Washington | March 30 – April 2 |
| Chicago Comic & Entertainment Expo | Illinois | March 31 – April 2 |
| Kawaii Kon | Hawaii | March 31 – April 2 |
| Midwest Gaming Classic | Wisconsin | March 31 – April 2 |
| Steel City Con | Pennsylvania | March 31 – April 2 |
| Triad Anime Con | North Carolina | March 31 – April 2 |
| WhimsyCon | Colorado | March 31 – April 2 |
| TsumiCon | Nevada | March 31 – April 2 |
Check out my convention tips before you head to a con.
Do you plan to do to any of these March comic and anime conventions? Let me know by leaving a comment.