City's striker and Spain's World Cup winner won the prizes at a ceremony in Monaco.
It was a exciting match played in scorching heat and humidity at the Georgios Karaiskakis Stadium as an obstinate Sevilla caused many problems for a City defence which was often exposed
The goal made Bowen the first English player to score the winner in a major European final since Arsenal's Alan Smith in 1994 and capped a campaign in which West Ham were unbeaten in 15 UEFA Europa Conference League matches.
Although the UEFA initially blamed the Merseyside club's fans for the mayhem, the governing body later apologised following the release of an independent review.
Group B looks equally difficult with former champions Netherlands and current world champions France drawn alongside 2004 Euro winners Greece, Ireland and Gibraltar.
Manisha's team Apollon Ladies FC outplayed Latvian club SFK Riga 3-0 in their opener.
Europa League winners Eintracht had offered some resistance in the first half and had chances to score but were eventually overrun by the Spaniards.
Stanway let one fly from distance to fire her side into the semifinals with a 2-1 extra-time victory over Spain.
Seferovic put Switzerland ahead 57 seconds into the clash at Stade de Geneve with a close-range header after defender Silvan Widmer set him up with a precise cross inside the area.
Mbappe, who came on as a substitute after the break, found the back of the net with a shot into the top corner seven minutes from time to cancel out Andreas Weimann's first-half opener.