The Best A Cappella Groups

Over 21.3K Ranker voters have come together to rank this list of The Best A Cappella Groups

What's cooler than a group of great singers harmonizing with only their voices?! This a cappella artists list ranks all of the top a cappella groups (all-male, female, and coed) by votes. With the huge success of acts like Pentatonix and Straight No Chaser, a cappella groups have broken into the mainstream and spread into genres like a cappella Christian music. But which a cappella group is the best? This list of the best a cappella acts in the world includes mouth musicians who have released recordings or performed live. These are truly the greatest a cappella bands of all time, and the order is decided by actual fans of the best a cappella music.

Examples of great a cappella groups include Home Free, The Ambassadors of Harmony, The Filharmonic, Manhattan Transfer, and The Real Group. Rank the best and most famous artists on this list to see their way to the top.

The list includes all new acappella bands and serves as an accurate compilation of the best examples of a cappella, as well as a good place to start if you're interested in getting into a cappella music. Especially since the singing groups at the top of the list will at the very least be the best choices if you're looking for a list of good a cappella singers with which to start out. No point in listening to them if they aren't actually good or even half-way decent a cappella bands. If you're curious about non-professional a capella groups, check out the best collegiate a capella bands.

This list answers the questions "who are the best a cappella bands of all time?" and "who are the greatest a cappella group ever?" If you consider yourself a fan of a cappella, please vote based on the quality of the band's music instead of just voting for the most popular a cappella groups. All important, significant and noteworthy names in a cappella music history deserve your votes, so make sure to choose wisely.

Most divisive: Blue Jupiter
Ranked by
  • Pentatonix
    6,983 votes

    Revolutionary and Grammy-winning, Pentatonix has captivated fans across the globe with their innovative style and powerful arrangements. Launched into fame by their victory on NBC's The Sing-Off, the group continues to create unique and diverse music that transcends the boundaries of traditional a cappella. As masters of combining pop culture hits with intricate harmonies, dynamic beatboxing, and jaw-dropping vocal prowess, it's no wonder Pentatonix consistently tops the charts and garners millions of views on their YouTube channel.

  • Home Free

    Home Free

    6,375 votes

    Country-infused and effortlessly entertaining, Home Free gained widespread recognition after winning season four of The Sing-Off. Their smooth and soulful renditions of classic country favorites and modern hits alike have earned them legions of dedicated fans. Renowned for their tight harmonies, sophisticated arrangements, and down-to-earth charm, Home Free has carved a unique niche for themselves in the a cappella world and continues to amaze audiences with their innovative approaches to beloved tunes.

  • Straight No Chaser

    Originally formed at Indiana University, Straight No Chaser has made a lasting impact on the a cappella scene with their addictive blend of humor, flawless harmonies, and contemporary twists on classic songs. Their viral holiday medleys initially catapulted them into the spotlight, but it's their consistent dedication to exceptional musicianship and engaging live performances that continue to captivate fans. With multiple albums under their belt and a widespread fanbase, Straight No Chaser has proven time and time again their immense talent and staying power.

  • Rockapella
    2,478 votes

    Pioneers of the modern a cappella movement, Rockapella skyrocketed to fame as the house band on the popular game show Where in the World is Carmen Sandiego? Their trademark style of expertly blending rock, pop, and doo-wop elements has earned them a loyal fanbase and extensive success. Known for their fun-filled arrangements, tight harmonies, and infectious energy, Rockapella remains a force to be reckoned with in the a cappella world.

  • Peter Hollens
    2,495 votes

    As a gifted solo artist and YouTube sensation, Peter Hollens has taken the a cappella world by storm with his innovative multi-track videos of popular songs and collaborations with some of the biggest names in the industry. Hollens' undeniable talent for creating lush soundscapes using only his voice has garnered him millions of fans and numerous accolades. Whether he's interpreting well-loved tunes or introducing original compositions, Hollens consistently showcases his passion for music and vocal excellence in each and every performance.

  • Bobby McFerrin

    Legendary vocalist, composer, and conductor Bobby McFerrin is lauded for his extraordinary range, improvisational genius, and groundbreaking body percussion techniques. With his iconic hit "Don't Worry, Be Happy," McFerrin introduced the world to his unique and enchanting a cappella stylings. A true innovator, McFerrin continues to push the boundaries of what the human voice is capable of and inspires generations of singers to follow in his footsteps.