In order of brightness:

Regulus (α Leonis) is the brightest star in Leo, a quadruple star system about 80 light years away. The dominant star in the system is a blue giant star. The name comes from the Latin word Rēgulus meaning "prince."

Denebola (β Leonis) is a solitary blue-white giant star about 36 light years from the Sun. It is a variable star as well, varying in brightness over a few hours. Its name comes from the Arabic phrase ðanab al-asad meaning "tail of the lion."

Algieba (γ Leonis) is a binary star system consisting of two red giants. The system lies about 130 light years away. The name comes from the Arabic word Al-Jabhah meaning "the forehead," although Algieba appears in the lion's mane.

Zosma (δ Leonis) is a blue-white solitary star about 60 light years from Earth. Its name comes from the Ancient Greek word meaning "girdle," referring to its location in the hip of the lion.

ε Leonis is a yellow giant star about 250 light years away.

Chertan (θ Leonis) is a solitary blue-white giant star about 165 light years away. Its name comes from the Arabic word al-kharātān meaning "two small ribs."

η Leonis is a solitary blue supergiant star about 1,270 light years away.

Subra (o Leonis) is a binary star system consisting of a yellow-white giant star and a blue-white star about 133 light years away. The name comes from the Arabic word zubra meaning "upper park of the back."

Shaomin (ρ Leonis) is a solitary blue supergiant star about 2,900 light years away. Its name comes from the Chinese word 少民 meaning "less bright" compared to Subra, which had the name Taimin (太民) meaning "more bright."

Rasalas (μ Leonis) is a solitary red giant star about 124 light years from Earth. Its name comes from the Arabic phrase Ras al Asad al Shamaliyy meaning "northern star of the lion's head."

ι Leonis is a quadruple star system consisting of several white giant stars about 79 light years away.

σ Leonis is a blue-white giant star about 210 light years away.

Alterf (λ Leonis) is an orange giant star about 330 light years away. Its name comes from the Arabic word aṭ-ṭarf meaning "the view (of the lion)," marking its position as the eye of Leo.

Yunü (31 Leonis) is a binary star system with a red giant star dominating the system. It lies about 296 light years away. The name comes from the Chinese word 御女 meaning a lower-ranking concubine of the emperor.

60 Leonis is a solitary blue-white star about 127 light years away.