The 31-year-old reunited with former Mamelodi Sundowns and Orlando Pirates boss Rulani Mokwena at the Botola Pro 1 during the January transfer window on a short-term loan deal.
He has repaid his his coach's faith by impressing in eight matches across all competitions, scoring one goal.
Lorch beat out Mohamed Rayhi and Mohamed Moufid to scoop the club honour.
The club celebrated Lorh with a post on their social media accounts.
“Please welcome your player of March, Thembinkosi Lorch,” posted Wydad.
Mokwena's side are currently in third place in the Moroccan top-flight, two points behind second-placed AS FAR and 17 adrift of league leaders RSB Berkane.
Itumeleng Khune has voiced his surprise over the exclusion of Thembinkosi Lorch from Bafana Bafana's latest AFCON squad, signalling growing concern about coach Hugo Broos' selections.
Former Kaizer Chiefs midfielder Junior Khanye has drawn comparisons between rising star Mfundo Vilakazi and Bafana Bafana playmakers Thembinkosi Lorch and Themba Zwane, predicting that the youngster will reach his full potential in his mid-20s.
Tumisang Orebonye has questioned teammate Thembinkosi Lorch's continued absence from the South Africa national team.
Thembinkosi Lorch and Neo Maema have both parted ways with Mamelodi Sundowns.
