The liberal newspaper's picks come just two days before voters in Iowa cast ballots in the first nominating contest of the 2016 presidential election season.
The Times editorial board opted for a front-runner and a moderate underdog in endorsing Clinton for the Democrats and Kasich for the Republicans.
"Voters have the chance to choose one of the most broadly and deeply qualified presidential candidates in modern history," the newspaper said of Clinton, a former secretary of state, senator from New York and First Lady.
The Times credited Sanders with generating enthusiasm among Democratic voters, but in the end, it said, he "does not have the breadth of experience or policy ideas that Mrs Clinton offers."
The Times noted that it has endorsed Clinton on three previous occasions -- twice when she ran for senator in New York, and in 2008 when she ran unsuccessfully for president against Barack Obama.
It rejected Donald Trump, who has dominated the Republican race thus far, as a populist "who invents his positions as he goes along."
"Mr Trump has neither experience in nor interest in learning about national security, defence or global trade," it said.
It dismissed Senator Ted Cruz, number two in the Republican field, as driven solely by personal ambition.
"Mr Cruz will say anything to win. The greater worry is that he'd follow words with action," The Times said.
Kasich, "though a distinct underdog, is the only plausible choice for Republicans tired of the extremism and inexperience on display in this race," The Times concluded.
You’ve reached your limit of {{free_limit}} free articles this month.
Subscribe now for unlimited access.
Already subscribed? Log in
Subscribe to read the full story →
Smart Quarterly
₹900
3 Months
₹300/Month
Smart Essential
₹2,700
1 Year
₹225/Month
Super Saver
₹3,900
2 Years
₹162/Month
Renews automatically, cancel anytime
Here’s what’s included in our digital subscription plans
Exclusive premium stories online
Over 30 premium stories daily, handpicked by our editors


Complimentary Access to The New York Times
News, Games, Cooking, Audio, Wirecutter & The Athletic
Business Standard Epaper
Digital replica of our daily newspaper — with options to read, save, and share


Curated Newsletters
Insights on markets, finance, politics, tech, and more delivered to your inbox
Market Analysis & Investment Insights
In-depth market analysis & insights with access to The Smart Investor


Archives
Repository of articles and publications dating back to 1997
Ad-free Reading
Uninterrupted reading experience with no advertisements


Seamless Access Across All Devices
Access Business Standard across devices — mobile, tablet, or PC, via web or app
