Following is a list of the 20 Best Three Column Blogger Templates, which I like:
Ocean Mag Beautiful Responsive Blogger Template

Ocean Mag is a beautiful Blogger Template with 3 columns, beautiful typography, Fully Responsive and SEO friendly.
Wagazine Beautiful Responsive Blogger Template

Wagazine is a beautiful Blogger Template with 3 columns, Fully Responsive, Ads Ready and SEO friendly.
NewsBook Beautiful Responsive Blogger Template

NewsBook is a beautiful Blogger Template with 3 columns, Fully Responsive, Ads Ready, Clean and SEO friendly.
Entry Mag Beautiful Responsive Blogger Template

Entry Mag is a beautiful Blogger Template with 3 columns, Fully Responsive, Ads Ready and Sticky Sidebars.
WePress Beautiful Responsive Blogger Template

WePress is a beautiful Blogger Template with 3 columns, Fully Responsive, Ads Ready and SEO friendly.
Perfect Mag Beautiful Responsive Blogger Template

PerfectMag is a beautiful Magazine Style Blogger Template with 3 columns, Fully Responsive, Fast Loading, Ads Ready and SEO friendly.
Sora Clean Beautiful Responsive Blogger Template

Sora Clean is a beautiful Magazine Style Blogger Template with 3 columns, Clean Design, Fully Responsive, Ads Ready and SEO friendly.
Optimal Beautiful Responsive Blogger Template

Optimal is a Full Width beautiful News Theme Blogger Template with 3 columns, Clean Design, Fully Responsive, Ads Ready and SEO friendly.
iBlogClean Beautiful Responsive Blogger Template

iBlogClean is a beautiful Blogger Template with 3 columns, Clean Design, Fully Responsive, Ads Ready and SEO friendly.
Phantom Beautiful Responsive Blogger Template

Phantom is a beautiful Blogger Template with 3 columns, Fully Responsive, Ads Ready and SEO friendly. (Password to Open the .rar File : phantom2015)
Hudson Beautiful Responsive Blogger Template

Hudson is a beautiful Blogger Template with 3 columns, Fixed Left Sidebar, Fully Responsive, Ads Ready and SEO friendly.
Rocket Beautiful Responsive Blogger Template

Rocket is a beautiful Blogger Template with 3 columns, Fixed Left Sidebar, Fully Responsive, Ads Ready and SEO friendly.
Adaption Beautiful Responsive Blogger Template

Adaption is a WordPress Converted beautiful Blogger Template with 3 columns, Fixed Left Sidebar, Fully Responsive, Ads Ready and SEO friendly.
Line Zap Beautiful Responsive Blogger Template

Linezap is a beautiful Magazine Style Blogger Template with 3 columns, Fast Loading, Fully Responsive, Ads Ready and SEO friendly.
Deep Views Beautiful Responsive Blogger Template

DeepViews is a beautiful Blogger Template with 3 columns, Clean , Stylish, Fixed Left Sidebar, Fully Responsive, Ads Ready and SEO friendly.
Live Ride Beautiful Responsive Blogger Template

LiveRide is a beautiful Simple Blogger Template with 3 columns, Fixed Left Sidebar, Fully Responsive, Ads Ready and SEO friendly.
Sora Gag Beautiful Responsive Blogger Template

Sora Gag is a beautiful Blogger Template with 3 columns, Fully Responsive, Ads Ready and SEO friendly.
Sora Tech Beautiful Responsive Blogger Template

Sora Tech is a beautiful Blogger Template with 3 columns, Fully Responsive, Ads Ready and SEO friendly.
Chattels Blog Beautiful Responsive Blogger Template

Chattels Blog is a beautiful Blogger Template with 3 columns, Fully Responsive, Ads Ready and SEO friendly.
Helix Beautiful Responsive Blogger Template

Helix is a beautiful Blogger Template with 3 columns, Fixed Left Sidebar, Fully Responsive, Ads Ready and SEO friendly.