No, you can invite more than one villager a day in Animal Crossing: New Horizons.
You are not limited to inviting just one villager per day. You can invite as many villagers as you want, as long as you have enough open plots in your village.
Here's how it works:
- Finding Villagers: You can find villagers by visiting other islands through Nook Miles Tickets or by visiting friends' villages.
- Inviting Villagers: Once you find a villager you want to invite, you can talk to them and ask them to move to your village.
- Open Plots: You need an open plot in your village to invite a villager.
- Multiple Invitations: You can invite multiple villagers at the same time, as long as you have enough open plots.
However, keep in mind that a villager might refuse to move to your village even if you have an open plot.