Kaleido Star
Even though Kaleido Star takes place in the US, Mia's lunch for Sora looks similar to a bento-style lunch. Looks like she packed salad and sandwiches.
Sora's lunch with her family. Looks like a lot of seafood. Octopus, chikuwa, crawdads (?).
Neon Genesis Evangelion
Whisper of the Heart
A brief scene with the girls eating their lunches. Mostly put up these pictures because it shows the bento boxes with their lids and chopstick holders.