- Orsino loves Olivia, but Olivia loves Cesario (Viola in disguise). Orsino is madly in love with Olivia and persists in pursuing her, despite her repeated rejections. At the same time, Olivia mistakenly believes that Cesario (disguised Viola) is a man and falls deeply in love with him.
- Viola (disguised as Cesario) loves Orsino. While Viola is disguised as Cesario, she falls in love with Orsino, who is the object of her lady Olivia's affection. Viola's love remains unspoken as she can't reveal her true identity due to her disguise.
- Sir Andrew Aguecheek loves Olivia, but Olivia is disdainful towards him. Sir Andrew is infatuated with Olivia, and he pursues her fervently. However, Olivia makes it clear that she finds him ridiculous, and she is dismissive of his affections.
- Maria loves Sir Toby Belch, but Sir Toby is not particularly interested in her. Maria acts as Sir Toby's companion, and she is quite loyal and devoted to him. It's implied that Maria may have feelings for Sir Toby, but he is more focused on his revelry than on romance.