Wave Life Sciences (WVE) 10-K/A 2020 FY Annual report (amended)

Exhibit 31.2

CERTIFICATION PURSUANT TO

SECTION 302 OF

THE SARBANES-OXLEY ACT OF 2002

I, Kyle Moran, certify that:

1. I have reviewed this Amendment No. 1 to Annual Report on Form 10-K/A of Wave Life Sciences Ltd.; and

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report.

Date: April 30, 2021

/s/ Kyle Moran

Kyle Moran

Chief Financial Officer

(principal financial officer and

principal accounting officer)