Körslaget 2010 is the fourth season of TV4's entertainment show Körslaget. It premiered on 20 March 2010. A feature of this season was Gabriel Forss's comment on each performance,^[1] and a choir was led by two contestants, Team Rongedal. It was also the first season to be aired on TV4 HD.

• Niklas Strömstedt with a choir from Växjö
• Marie Picasso with a choir from Västerås
• Morgan "Mojje" Johansson with a choir from Visby
• Kalle Moraeus with a choir from Orsa
• Linda Sundblad with a choir from Lidköping
• Ralf Gyllenhammar with a choir from från Mölnlycke
• Rongedal with a choir from Karlstad

Aired 20 March

1. Team Rongedal - This Love (Maroon 5)
2. Team Mojje - I Gotta Feeling (The Black Eyed Peas)
3. Team Picasso - We Built This City (Starship)
4. Team Strömstedt - God Only Knows (Beach Boys)
5. Team Sundblad - Wannabe (Spice Girls)
6. Team Gyllenhammar - Fox on the Run (Sweet)
7. Team Moraeus - Jag såg i öster (Folkmusik)

No choir was eliminated

Aired 27 March

1. Team Picasso - Proud Mary (Tina Turner)
2. Team Strömstedt - Turn, Turn, Turn (The Byrds)
3. Team Gyllenhammar - I love it loud (Kiss)
4. Team Sundblad - Girls just wanna have fun (Cyndi Lauper)
5. Team Mojje - Fireflies (Owl City)
6. Team Moraeus - Klinga mina klockor (Benny Andersson)
7. Team Rongedal - Somebody to love (Queen)

The Choir with the darkest shade of gray was eliminated.

Aired 3 April

1. Team Strömstedt - Om (Niklas Strömstedt)
2. Team Sundblad - Let's Dance (Linda Sundblad)
3. Team Rongedal - Just a minute (Rongedal)
4. Team Moreus - Underbart (Kalle Moraeus)
5. Team Picasso - This moment (Marie Picasso)
6. Team Mojje - Var ligger landet där man böjer bananerna (Morgan (Mojje) Johansson)

The Choir with the darkest shade of gray was eliminated.